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Kiinde Kozii Baby Bottle Warmer and Breast Milk Warmer for Warming Breast Milk, Infant Formula and Baby Food

4.1 4.1 out of 5 stars 4,226 ratings

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Warmer
  • 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.
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Additional Details

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Product Description

You're everything to them, We've got everything else.
Kozii Warmer

Foodii pouch in Kozii warmer

Pouring water into Kozii warmer

Kozii warmer interior

Kozii warms both bottles and pouches

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

SafeHeat technology
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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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Customer reviews

4.1 out of 5 stars
4.1 out of 5
4,226 global ratings

Customers say

Customers like how easy it is to use the baby warmer. They say it is simple and convenient. They appreciate the clear, well written instructions. Customers are also happy with cleanliness. However, some customers have reported issues with quality and durability. They mention that the product broke shortly after purchase. Customers also have issues with water resistance. Opinions are mixed on heating, performance, value, and timer.

AI-generated from the text of customer reviews

271 customers mention251 positive20 negative

Customers find the baby product extremely simple to use and set up. They also appreciate the clear, well written instructions on how to operate, maintain, and clean the warmer. Customers also say it's a great, simple product that heats food that stays under the warmer and takes all the guesswork out of milk. They say it is pricey, but it meets all their requirements for convenience and safety.

"...It comes with clear, well written instructions on how to operate, maintain and troubleshoot it...." Read more

"...It should be cleaned every couple of days and it is pretty easy and doesn't take that long, but you can forget and if you go a week without..." 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

"...The Avent is straightforward: Put the bottle in the warmer and add enough water to reach the level of the milk or the food.--Durability...." Read more

178 customers mention145 positive33 negative

Customers like the cleanliness of the baby product. They say it is easy to use, has clear cleaning instructions, and is very safe.

"...My own mother is ecstatic over how easy it is to use, and how well it works!..." Read more

"...really worked well for us for a variety of reasons, but mostly the ease of use and the reliability of the equipment made this an indispensable item...." Read more

"Very easy to use, pretty quick heating and adjusted per number of ounces that you want to heat up...." 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

1,021 customers mention579 positive442 negative

Customers are mixed about the heating of the bottle. Some mention that it can warm pretty much anything easily, and gently warms the milk without destroying nutrients. However, others say that it works a little slow with Comoto bottles, and the timer on the front doesn't work. Some say that the guide usually overheats the liquid.

"...The heating is very even, although I like to shake the bottle every minute or so to prevent hotpsots from forming..." Read more

"...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..." Read more

"This bottle warmer is great! My son is now 8 months old and I think we have used it since he was 6 weeks old or so...." 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

830 customers mention412 positive418 negative

Customers are mixed about the performance of the baby product. Some mention it does work well, it does the job simply, and is convenient. However, others say that the unit they received stopped working properly after 8 days, failed in the first 2 weeks, and the timer stopped working reliably.

"...My own mother is ecstatic over how easy it is to use, and how well it works!..." Read more

"***Update: After 8 months of heavy daily use, the timer stopped working reliably...." Read more

"...The Kozi is working extremely well and will not disappoint you if warming milk bottles and bags is the only use you intend to put it through." Read more

"...It stopped working a week after we started using it because we didn’t know the water was supposed to be high enough (with the bottle in the warmer)..." Read more

280 customers mention123 positive157 negative

Customers are mixed about the value of the product. Some mention it's worth the investment if you're going to be warming a lot of breast milk, it'll save time and frustration. However, others say that it seems pricey and wastes energy.

"...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

"...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

"...I highly recommend this product for its price and consistent quality." Read more

161 customers mention51 positive110 negative

Customers are mixed about the timer. Some mention that the auto shut-off and timer are handy, while others say that it doesn't kick in, so it never shuts off. Some say that the time is easy to set on the front, while other say that they have to go back twice to turn it back on.

"...Edit: After about one week's worth of use, the timer stopped working...." 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

"...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

381 customers mention81 positive300 negative

Customers are dissatisfied with the quality of the baby product. They mention that it has a low life expectancy, and the heating element broke. Some customers also report that the handle broke.

"...great, but I’m not sure I will purchase another due to the lack of durability." Read more

"...I am not completely dissatisfied with the product...just disappointed in the quality because it cost so much." Read more

"...it to temporary work by resetting the button, yet the breaker would get tripped after each job...." Read more

"...The build quality is sturdy and I don't see any reason why this product won't last for years..." Read more

128 customers mention36 positive92 negative

Customers are dissatisfied with the water resistance of the baby product. They mention that the water doesn't drain back into the reservoir until the time goes absolutely. This leads to wasted energy, all the water evaporating, and rapid buildup of mineral deposits. The water would just stop filling or it would stop warming. The timer would not work and the water was set over the full mark. The pump continues to circulate, but the timer stops moving.

"...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..." Read more

"...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...." Read more

"...It never overheats the milk, and nothing ever spills...." Read more

"...This would be nice, because the water doesn't drain back into the reservoir until the time goes absolutely down to zero, so you pull up a wet bottle..." Read more

Versatile Bottle Warmer
3 Stars
Versatile Bottle Warmer
I'm all about a product that is versatile and can have multiple uses. I live in a small place and every inch counts - so if a product can do double duty, brownie points!I bought this bottle warmer for all the things that other reviews mention:- safely heats breast milk at ~130 degree F (50 degrees C)- can warm bottles, frozen breast milk, frozen baby food, baby food pouches, etc.- automatically shuts off- don't need to constantly fill water- I'm sure there's other versatile uses for it that I haven't discovered yet...The warming time is slightly faster versus warming by hot tap water - and also more convenient since you're not having to fill the container, wait for the water to warm up, and keep changing the water out. Realistically, it will take ~5min for you to thaw your partially frozen breastmilk bag or your refrigerated bottle.Regarding warming up food though - If you're like me, your patience will wear when warming frozen food cubes or baby food jars - and you will likely give up. 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. Maybe it depends on what type of container you warm it up in (I was trying to use the Baby Bullet containers b/c they fit so nice in the Kozii) but after 10 minutes and the food cube still cold - off to the microwave I went and stir, stir, stir those sweet potato cubes... However, they really don't provide any suggestions for how to warm frozen baby food cubes. It does work really well for warming those baby food pouches (e.g. most general baby food pouches, Plum Organics Training Meals)So, would I spend this much on a bottle warmer again? Love the concept but very expensive. I'm really not sure if I'd spend as much knowing that I won't get the mileage (warming frozen baby solids) I had hoped out of it.
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Top reviews from the United States

Reviewed in the United States on April 7, 2012
Style: WarmerVerified Purchase
2 people found this helpful
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Reviewed in the United States on September 5, 2012
Style: WarmerVerified Purchase
11 people found this helpful
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Top reviews from other countries

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Amazon Customer
3.0 out of 5 stars Best bottle warmer, but got spoiled after using for 3 months
Reviewed in India on November 27, 2019
Style: WarmerVerified Purchase
Ricardo
5.0 out of 5 stars Conserva los nutrientes de la leche materna
Reviewed in Mexico on February 6, 2017
Style: WarmerVerified Purchase
Lori Lizárraga
4.0 out of 5 stars Muy bueno.
Reviewed in Mexico on April 5, 2019
Style: WarmerVerified Purchase
moisii
5.0 out of 5 stars Great bottle warmer, great service!
Reviewed in Canada on January 29, 2017
Style: WarmerVerified Purchase
7 people found this helpful
Report
Tals W.
5.0 out of 5 stars Very easy to use
Reviewed in Canada on May 3, 2019
Style: WarmerVerified Purchase