Medela Breastmilk Bottle Set, 5oz, BPA Free, Clear with Volume Markings, 87131, 3 Pack 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. Includes three breast milk bottles, three solid lids, three slow-flow silicone nipples, three-wide base collars, and travel caps.