Calma is a feeding set that features a no-drip nipple and is compatible with all Medela containers. Calma is made without BPA and safe for the top rack of the dishwasher. Care Instructions: Plastic containers and component parts become brittle when frozen and may break when dropped. Plastic containers and component parts may become damaged if mishandled; e.g., dropped, over-tightened or knocked over. Take appropriate care in handling containers and component parts. Do not use if the plastic container or component parts become damaged. What's Included: (1) nipple, (2) 5 oz/148 ml bottle, (1) cap, (2) lids