The Permanenza silicone treat is extremely safe, it uses food grade silicone, which is a non toxicmaterial, BPA- free and plastic-free. It is safe for your baby and child, its heat resistant up to 200* Cwhich is suitable for all type of sterilizers, and can be placed in the microwave, the teat is very strong and can be used for a long time. Available in 2 colors-pink and blue, Available in 3 sizes , Soft and comfortable-light weighted, Easy to clean.