Product Dimensions | 5.19 x 7.4 x 7.4 inches |
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Item model number | KK-R1-NA |
Is Discontinued By Manufacturer | No |
Material Composition | 100% Plastic |
Number Of Items | 1 |
Style | Warmer |
Batteries required | No |
Dishwasher safe | No |
Is portable | No |
Item Weight | 1.85 pounds |
Country/Region of origin | China |
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Kiinde Kozii Baby Bottle Warmer and Breast Milk Warmer for Warming Breast Milk, Infant Formula and Baby Food
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Bundles with this item
Purchase options and add-ons
- SAFE & EASY WARMING: The Kozii baby bottle warmer creates a flowing warm water bath (NOT dangerous steam) to quickly and gently thaw and warm breast milk according to CDC and USDA guidelines.
- GREAT BABY SHOWER PRESENT: New parents are always looking for safe and effective products for use through the toddler years, making Kiinde Twist and Foodii systems a great baby shower present.PVC free
- UNIVERSAL WARMING CHAMBER: Kozii’s warming chamber is designed for bags, pouches, bottles, and jars. It heats foods to the perfect temperature for Baby so you don’t have to worry about overheating.Nitrosamine-Free
- PRESERVES NUTRIENTS IN BREAST MILK: Kozii uses gentle heat to preserve the unique set of nutrients found in breast milk. You won’t have to worry about the integrity of vitamins and minerals naturally occurring in a mother’s milk.
- WARMS MANY CONTAINERS & MATERIALS: Kozii can heat up virtually any reusable or disposable container including milk storage bags, milk pouches, baby bottles, food jars, or liner bottles.
Additional Details


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Product Description


Safe
- Uses flowing warm water bath rather than steam
- Preserves unique nutrients found in breast milk
- Follows all CDC and USDA guidelines
- Built-in timer prevents overheating
- Auto shutoff completely removes heat source from bottle
Fast
- Convective heating is uniform and efficient
- Heat up expressed breast milk, baby formula, or baby food as safely and quickly as possible
Easy
- Onboard reservoir means no measuring or adding water with each use
Universal
- Warms frozen and thawed breast milk and baby formula
- Works with reusable or disposable bags, bottles, or jars of all shapes, sizes, and materials



Product information
Technical Details
Additional Information
ASIN | B005G3QSF2 |
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Customer Reviews |
4.1 out of 5 stars |
Best Sellers Rank | #13,187 in Baby (See Top 100 in Baby) #67 in Bottle Warmers |
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Kiinde Kozii Baby Bottle Warmer and Breast Milk Warmer for Warming Breast Milk, Infant Formula and Baby Food
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Kiinde Kozii Bottle Warmer Review
Marissa_Smalltown Scrunchy Mom
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Bottle warmer demo and timeline sheet!
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HONEST review Kiinde Kozii Bottle Warmer
Nick Hughes
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*Must* watch before buying Kiinde bottle warmer
Reviews with Leanne
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Honest Review about How I like the Kiinde Bottle Warmer
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This bottle warmer really surprised me
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the baby product easy to use and clean. They appreciate the clear instructions and minimal refilling or complicated setup. Many consider it simple and convenient. However, some have mixed opinions on bottle warmer durability, value for money, quality, speed, and timer.
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Customers find the product easy to use and clean. It comes with clear instructions on how to operate, maintain, and troubleshoot it. They appreciate the minimal refilling or complicated set up. The product is well-made and brilliant in its simplicity.
"...My own mother is ecstatic over how easy it is to use, and how well it works!..." Read more
"...It's well made, brilliant in it's simplicity, and heats food that stays under the waterline evenly without the worry of burns from hot spots...." Read more
"...Pros: - Takes up very little counter space - Is very simple to operate..." Read more
"...So, SO easy to use- the chart that explains how much time to warm each bottle/food jar/milk storage bag for isn't hard to understand at all...." Read more
Customers appreciate the bottle warmer's fit. They say it can hold different bottle sizes and materials comfortably. The size of the container is adequate for at least the Medela milk bottles. It can accomodate any container, from breast milk frozen in bags. The warmer is relatively small and lightweight, and customers like the timer as well.
"...But, because of the way it works, it can accomodate any container, from breast milk frozen in bags, to other bottles, to even a glass I used to..." Read more
"...wait 6 mins for 4oz to get to room temp especially since it fits my Comotomo bottles...." Read more
"This bottle warmer works as advertised and can accommodate bottles, or breast-milk bags just fine. Pros: -..." Read more
"...Voila! We use the 4 oz Dr Brown's bottles and they are the perfect size and, from the fridge, take 6 minutes to warm to the perfect "boob..." Read more
Customers have mixed opinions about the bottle warmer. Some find it safe and effective for warming milk quickly, with a chart showing heating times. However, others report that it gets very hot and overheats the milk a bit. There are also complaints that the warmer stops heating or keeps boiling milk until all of it is gone.
"...of the way it works, it can accomodate any container, from breast milk frozen in bags, to other bottles, to even a glass I used to warm cream for my..." Read more
"...This-IMO- is a VERY safe warmer (heavy not easily tipped), it works w/o cooking the milk since the water doesn't get too hot, & I can wait 6 mins..." Read more
"...The Avent warmer gets very hot - which heats things quickly, but makes timing all the more important...." Read more
"...I have used it to warm frozen mother's milk, refrigerated mother's milk, room temperature bottles & formula. It works great!..." Read more
Customers have different views on the durability of the baby product. Some find it reliable and works as advertised, while others report issues like broken parts, malfunctioning timers, and permanent damage if left completely dry.
"...My own mother is ecstatic over how easy it is to use, and how well it works!..." Read more
"...There is apparently a safety mechanism which kills the device permanently if you let it run completely dry 3 times...." Read more
"...It's well made, brilliant in it's simplicity, and heats food that stays under the waterline evenly without the worry of burns from hot spots...." Read more
"...I followed set-up exactly & on third use it was DEAD. The timer would not work & the water was set over the full mark. I have no idea why it died?!..." Read more
Customers have different views on the value for money of the baby product. Some find it worth the cost, saying it protects the quality of breastmilk and is the best item they've used. Others mention it seems pricey, wasting energy and water when not in use.
"...The other problem is forgetting to turn it off, which leads to wasted energy, all the water evaporating, rapid buildup of mineral deposits, and..." Read more
"...WORTH THE MONEY!*" Read more
"...This one seemed pricey, but also had the best reviews, and seemed to be the only one that would work with the bottles we liked best (Como Tomo)...." Read more
"...will be using many, many times a day and in the long run it is worth every dollar...." Read more
Customers have mixed opinions about the product quality. Some find it works well and consistently produces perfect bottles, while others are dissatisfied with the quality considering the cost.
"...We received it quickly (2 days!), and it works so easily and wonderfully!..." Read more
"...of the premium price over other bottle warmers, because it was just so good and convenient (while it worked)...." Read more
"...I am not completely dissatisfied with the product...just disappointed in the quality because it cost so much." Read more
"...It has been working perfectly ever since! Great product, great customer service!! My only problem with it, is the price...." Read more
Customers have different views on the bottle warmer's speed. Some find it heats milk evenly and quickly, reducing waiting time. Others mention it takes longer than other warmers, especially with Comoto bottles. The timing is inconsistent and some customers report durability issues with their product after 8 weeks of use.
"...it works well, it gets the milk warm in 5-6 mins, and cuts down the waiting time considerably. The bad: -..." Read more
"...but the timer, which also functions as the on/off switch, only goes up to 15 minutes...." Read more
"...I found it fast enough to suit my needs, it's straight forward, simple, stylish... and when I'm exhausted in the middle of the night, it's so much..." Read more
"...I had great ideas that this would warm my baby food cubes - but it takes FOREVER. There's just no way I'm that patient...." Read more
Customers have mixed opinions about the timer. Some say it's easy to set and use, while others report issues like the timer getting stuck at 2-3 minutes and not shutting off. There are also complaints that the water gets hot but the timer doesn't stop ticking or moving after about a minute. Overall, customers have different experiences with the timer mechanism.
"...I followed set-up exactly & on third use it was DEAD. The timer would not work & the water was set over the full mark. I have no idea why it died?!..." Read more
"...It basically just has a timer on front, and once you determine the right time for your amount of milk in your bottles, you are good to go!..." Read more
"...The timer only goes up to 15 minutes so you have to go back twice to turn it back on (I also squished the pouch around each time)...." Read more
"...of the night, it's great to be able to just pop a bottle in, turn the timer, then wait until it clicks off. Voila!..." Read more
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Versatile Bottle Warmer
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- Reviewed in the United States on September 5, 2012Style: WarmerVerified Purchase***Update: After 8 months of heavy daily use, the timer stopped working reliably. I contacted the company via their website, and after filling out a problem report, they are shipping out a new one. Customer service is extremely important in any product which is more expensive than the competition, and this does not disappoint. In all fairness, it's not easy to engineer a product that handles this combination of conditions with longevity. Electricity, tap water, heat, spilled food, mineral buildup, etc - it's tough to make it last.***
We do a mixture of breast-feeding and formula supplementation, and for starters I bought a Philips AVENT Express Food and Bottle Warmer as a respectable trade off between quality of reviews and cost. This worked okay, but I found myself running into a few problems. The Avent warmer gets very hot - which heats things quickly, but makes timing all the more important. If you forget to set a timer, or have to address something (like a screaming/pooping baby) it is very easy for your bottle to get overheated. In a persistent state of sleep deprivation, this is very easy to do. This is at least an annoyance, and potentially quite dangerous. The other problem is forgetting to turn it off, which leads to wasted energy, all the water evaporating, rapid buildup of mineral deposits, and this is all to say nothing of a significant degree of faith in the auto-shutoff to keep from burning the house down.
The Kiinde Kozii really addresses most all of these things quite well. The heating occurs on a timer, and the water itself isn't as hot. The water is circulated by pump, which compensates somewhat for the lower temp of the water bath. When the timer shuts off, the heating stops.
Caveats:
The Kozii does take about 1-3 minutes longer than the Avent warmer.
You have to more carefully manage water levels in the Kozii (I keep a small container of water next to it for little top-ups)
There is apparently a safety mechanism which kills the device permanently if you let it run completely dry 3 times. The flipside argument is that you would have to be quite oblivious for this to happen, as even a slightly low water level causes all manner of bubbling sounds.
Price - this is the main reason I didn't bite on this from the beginning. It seemed excessive and frankly a bit nuts to spend this much on something that could be done with a much cheaper device. Arguments to this effect are still valid, but I think that in the balance, you could skip a few of the cute newborn outfits your baby will outgrow in a few days, and put the money into this instead. It doesn't quite hold the same emotional gravitas as the bunny onesie, but you will thank yourself repeatedly at midnight, 2am, 4am, etc... when you are feeding the baby safely instead of throwing out the liquid gold your wife pumped and you somehow managed to cook in the lesser warmer.
- Reviewed in the United States on April 7, 2012Style: WarmerVerified PurchaseSo, I had to go back to work part time when the kiddo was 3 weeks old, and my husband would be primary caretaker on those days, using pumped breastmilk. I told him I was going to order a bottle-warmer for him to use. He said he didn't need one. :o) After one day of trying to heat up the bottle the old fashioned way, with a demanding kid in one arm, he acknowledged he needed a bottle warmer.
This one seemed pricey, but also had the best reviews, and seemed to be the only one that would work with the bottles we liked best (Como Tomo). It also has the advantage of using the "spa" method, where it creates a little vortex of perfect temperature water to heat up the milk without any danger of denaturing the proteins or overheating. It is totally worth the money!!
We received it quickly (2 days!), and it works so easily and wonderfully! My own mother is ecstatic over how easy it is to use, and how well it works! It basically just has a timer on front, and once you determine the right time for your amount of milk in your bottles, you are good to go! When we received it, we used regular cow milk as our test substance, and tried it out from refrigerator and from freezer. (As an example, for my bottles, Como Tomo 250 ml, it takes 6.5 minutes to warm 2 oz of milk from refrigerator. It takes 20 to warm from frozen, so I usually put frozen milk (from Sensible Lines Milk Trays) in bottle night before, stick in fridge, and let it thaw that way). But, because of the way it works, it can accomodate any container, from breast milk frozen in bags, to other bottles, to even a glass I used to warm cream for my coffee (just testing). It never overheats the milk, and nothing ever spills.
This actually also travels really easily, Just hold it upside down over a sink to drain out the water, and put it in the car. We have taken with us to grandmother's house for long weekends. I do usually use filtered or distilled water in it, just to make it easier to clean when the time comes. This has been one of my best baby purchases, worth every penny!
- Reviewed in the United States on November 21, 2011Style: WarmerVerified PurchaseGot it & was happy the COMOTOMO bottle fit. It was heavy so I liked it doesn't just tip over too. I followed set-up exactly & on third use it was DEAD. The timer would not work & the water was set over the full mark. I have no idea why it died?! Maybe it was a lemon but it is an expensive one. W/ a newborn I don't have time for returns & exchanges. Thank goodness for amazon return policy.
***UPDATE*** Took a chance & got another one b/c the water gently/ barely warms the breastmilk so I know it is not cooking out the nutrients. It has been working w/o any issues now. I am diligent about refilling & cleaning so it doesn't stop working properly.
The water doesn't burn you if you touch it when getting bottle. Sounds weird but the super-fast warmers have burn warnings &/or reviews w/ warnings like Tommee Tippee warmer AND I really needed something that wasn't a hazard in the middle of the night. Boiling water & steam warnings for bottle warmers that tip easily were scary. A bottle warmer that requires gloves to handle the heated bottle means the breast milk is getting cooked & depleting the nutrients.
This-IMO- is a VERY safe warmer (heavy not easily tipped), it works w/o cooking the milk since the water doesn't get too hot, & I can wait 6 mins for 4oz to get to room temp especially since it fits my Comotomo bottles. No it is not a super quick warmer but that is what makes it safe to use & ideal to gently and evenly heat breast milk in a bottle. I still swirl the bottle while it heats to ensure even heating but I can do it w/o getting burned when my fingers touch the water. I have had no issues w/ leaks either after 3 months.
Top reviews from other countries
- Amazon CustomerReviewed in India on November 27, 2019
3.0 out of 5 stars Best bottle warmer, but got spoiled after using for 3 months
Style: WarmerVerified PurchaseIt spoiled after I used for 3 months
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RicardoReviewed in Mexico on February 6, 2017
5.0 out of 5 stars Conserva los nutrientes de la leche materna
Style: WarmerVerified PurchaseExcelente producto. Calienta la leche de manera uniforme. Toma un poco más de tiempo (1-2 minutos) en calentar la leche que un calentador de vapor, pero vale la pena por tener certeza que conserva los nutrientes de la leche materna. Lo recomiendo.
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Lori LizárragaReviewed in Mexico on April 5, 2019
4.0 out of 5 stars Muy bueno.
Style: WarmerVerified PurchaseLa verdad sigo sin entender la parte del agua pero mi esposo lo deja listo. Calienta hasta las bolsas de la leche, es de buen tamaño.
- moisiiReviewed in Canada on January 29, 2017
5.0 out of 5 stars Great bottle warmer, great service!
Style: WarmerVerified PurchaseI had this product for 7 months now, we are using it 5-7 times a day and until now it worked perfectly. Unfortunately the timer broke today, I contacted Kiine Kozii and hope for a fast and easy resolution. We will see how it goes. I find glass bottles heat much faster and the estimated time given by the company is exact. With plastic bottles (Tommy Tippee) it took much more time even though we did everything as described in the manual. We really loved this bottle warmer until today, and it the resolution with the timer goes well I will certainly give it a 5 Stars and recommend it to a friend!
Update: So on less than a week I received a new one by express mail. They contacted me after instructing to simply discard the old one. That was absolutely amazing service, effective and professional. They really stand by their products and I would definitely buy again from Kiinde Kozii.
- Marile van ZylReviewed in Canada on August 6, 2016
5.0 out of 5 stars Highly recommended! This is a very well reviewed warmer for ...
Style: WarmerVerified PurchaseHighly recommended! This is a very well reviewed warmer for a reason! This is one of the only warmers that fit a Tommee Tippee bottle. And I believe the only one on the market that works with water and not steam. It's super effective to warm bottles evenly; although it's a bit slower than a steam warmer. It's a much safer and more effective way to warm any bottle.