Collect, store, and feed using the same pouch! Kiinde Twist Pouches» combine the toughness and leak-proof guarantee of a bottle with the cost-effectiveness, compact size, and convenience of a disposable breastmilk storage bag. Twist Pouches twist-lock onto pumps from ALL major brands, for leak-free, transfer-free pumping, directly into the pouch. Twist Pouches are self-standing, or lay flat for compact storage in your freezer, and ultra-fast freezing and thawing. Pouches have a high visibility labeling surface. BPA, PVC, and pthalate-free. Pouches and caps are recyclable after use, meaning no dirty dishes to clean! Twist Pouches snap into the Kiinde Squeeze Natural feeding bottle, for feeding directly from the pouch - no need to transfer milk from bags to bottles. After pumping: STORE and organize pouches in the Kiinde Keeper» breastmilk holder and organizer, THAW and WARM quickly and safely using the Kiinde Kozii» breastmilk warmer and bottle warmer with steam-free SAFEheat» technology, and FEED transfer-free, gas-free, and hassle-free using the Kiinde Squeeze» natural feeding bottle with Active Latch» nipples.