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 breast milk 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 phthalate-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. This package contains - 20 Pre-sterilized Twist Pouches with twist-locking caps. After pumping: STORE and organize pouches in the Kiinde Keeper breast milk holder and organizer, THAW and WARM quickly and safely using the Kiinde Kozii breast milk warmer and bottle warmer with steam-free SAFE heat technology, and FEED transfer-free, gas-free, and hassle-free using the Kiinde Squeeze natural feeding bottle with Active Latch nipples.