... A) Appearance Design Patent No.: 201130346419.X(bottle B) Bottle: silicone,heat-resistant to 200,sterilizable. ... ),Measure up to SGS and QS standard,mantain baby health. (3),Unique skidproof design for comfortable ... Wide nipple bottom ,natural feeding as breasts to baby. (6),The nipple has automatic air flowing hole ... the flow of milk and prevent the baby from sucking excessive air,reduce the phenomenon ...