Features: 1,Safety of silicone rubber material, colorless, tasteless, non-toxic raw materials, high and low temperature (-50 200) degrees, can be sterilized, no deformation, to maintain freshness. 2,Unique non-slip design, to use highly reliable, easy to sel. 3,Wide caliber bottle design is relatively simple with the powder, milk powder is not easy to spill, easy to clean. 4,Feeding process does not create a vacuum and air bubbles, greatly reducing the infant caused by inhaling the air of abdominal pain, vomiting, hiccups. Features: 1,Safety of silicone rubber material, colorless, tasteless, non-toxic raw materials, high and low temperature (-50 200) degrees, can be sterilized, no deformation, to maintain freshness. 2,Unique non-slip design, to use highly reliable, easy to sel. 3,Wide caliber bottle design is relatively simple with the powder, milk powder is not easy to spill, easy to clean. 4,Feeding process does not create a vacuum and air bubbles, greatly reducing the infant caused by inhaling the air of abdominal pain, vomiting, hiccups. 5,Impact-resistant and unbreakable, easy to carry out.