Pump, store, organize, warm, and feed using the same pouch. The Kiinde Twist feeding system completely eliminates the need to transfer precious milk from bottles to bags and back again. This starter kit gives you everything you need to get started with the Twist feeding system. The kit contains: Twist Pouches (x20), all Direct-Pump adapters (for all major pump brands), Keeper Breast milk Organizer (x1), Squeeze Natural Feeding Bottle (x2), Slow Flow Active Latch Nipple with Case (x1), Medium Flow Active Latch Nipple with Case (x1), Fast Flow Active Latch Nipple with Case (x1), and Nipple Brushes (x2). PVC-free. Top rack dishwasher safe and steam sterilizer safe for adapters, Keeper, nipples, nipple cases and nipple brushes.