Product Dimensions12.5 x 4.7 x 17.2 cm Target genderFemale Material compositionCotton Additional product featuresBPA Free Batteries requiredNo Is portableYes Item Weight170 g 50 x 180 ml breast milk storage bags Double zip protection Heat-sealed seams BPA-free For all your feeding needs: The convenient way to store, carry and warm expressed breast milk, breast milk storage bags are hygienic and provide safe storage for your precious breast milk Stand upright or lie flat: Each breast milk storage bag is hygienically pre-sealed, stands upright for easy handling and lies flat for convenient storage Ultra leak protection: Secure your precious breast milk thanks to the double zip protection and double walls, while the heat-sealed seams ensures no tearing, splitting or cracking Preserve breast milk quality: BPA-free breast milk storage pouches quickly freeze and thaw to preserve breast milk quality; date and volume panels allow for easy labelling and measuring to keep track Items delivered: 50 x Medela 180 ml breast milk storage bags with transport pouch to keep organised.