Medela Breast Milk Bottle Set includes everything you need to collect, store and feed breastmilk. Made without BPA - safe plastic designed to retain breast milk’s beneficial properties. Compatible with all Medela breast pumps to pump, store and feed with one container. Available in 5 oz or 8 oz sizes, these easy-to-use Medela bottles let you precisely measure your breast milk with easy-to-read ounce and millimeter markers. Medela breast milk bottles are conveniently dishwasher and microwave safe - perfect for busy moms! Also comes with travel caps to keep the nipple clean while you're out and about. Includes three breast milk bottles, three solid lids, three slow-flow silicone nipples, three wide base collars and travel caps. Plastic bottles and component parts become brittle when frozen and may break when dropped. Also, bottles and component parts may become damaged if mishandled, e.g. dropped, over-tightened, or knocked over. Take appropriate care in handling bottles and components.