The Comotomo baby milk bottle features a non-leaking dual air-vents to prevent colic, and a truly wide-neck design for easy cleaning. The bottle is made from a skin-like silicone material – to offer a soothing, calming touch, and better grip. It is designed with a wide mound and a naturally shaped nipple to help with the switch from breast to bottle. It is heat-resistant and safe in: Dishwashers (top-rack), Boiling water, Sterilizers, and Microwaves. Available in two sizes – 150ml/250ml.