The nipple is made from liquid silicone rubber which is nontoxic, tasteless and free from Nitrosamine. The air valve design can keep the balance between outside and inside of the bottle so that baby can suck smoothly and won't choke because of inbreathing too much air.

The filter can block insolvable milk mass and dregs of juice.

All printing ink is up to European standard, doesn't contain any heavy metal.

All parts' heat resistant to 120.

Wash thoroughly all parts of bottle and sterilize in boiling water for 1-2 minutes before each use.

Inspect before and after each use. Buy a new one when worn, damaged or punctured.

Don't leave it in sunlight when not use.

Infant must be fed under adults supervision. Nipple can't be used as toys or soother.