
Okay i bought the bottle for my son when he was still a baby. He is now 3 almost 4. He was using the nipples this whole time and they never gave out. Through the teething age all the way to toddle chewing on everything stage. They are easy to clean because you can flip them inside out and back. It is a nice thick nipple so you dont have to worry about ripping or tears. Although I don’t suggest letting them soak in dish water especially if you use bleach (i do this as additional sanitizing along with boiling them), it tends to make them foggy.Now the only reason I bought new nipples is because I had a baby and she needed new size 1 nipples since all i had was 2 on up.

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