Everyday Baby Glass Baby Bottle Silicone Coated is designed to be the best and safest bottle for your child. Glass doesn´t leak harmful substances as plastics do and thanks to the bottle's integrated layer of silicone there is no worries about shattering if you happen to drop it in the floor. The nipple is designed to mimic breastfeeding which facilitates the transition from breast to a baby bottle but also has an anti-colic venting system that prevents sore stomachs. And lumps in the gruel are no longer a problem - the silicone mixer eliminates them in seconds!