Can pump easily and directly into the breastmilk storage bag No more breastmilk wastage when transferring from breastmilk storage bottle to bag. Isa Uchi Breastmilk Storage Bags comes with 2Wide x Direct pump adapters + 2Narrow x Direct pump adapters -Specifications: 6.8oz/200ml - Material: PET+LLDPE -Heat Resistance Point and Freeze Point: 230 Degrees Fahrenheit ~ -4 Degrees Fahrenheit (110 Degrees Celsius ~ -20 Degrees Celsius) -Quantity: 10 pcs + 2 x Direct pump adapters -Expiration date: 5 years Caution -Do not fill in the bag above the maximum line for safety. - Breastmilk expires in 3 days in the refrigerator and 3 months in the freezer. -Pay attention to the sanitation especially when using the scissors. -Feed as soon as possible after the bag has been taken out. -Keep it out of the reach of children. -Not suitable for reuse. -Please do not directly put the bag into the microwave, oven or hot water because of the small water droplets outside the bag produced by thawing. -Please do not freeze the breastmilk again after thawing.