Breast Milk Storage bags that are sterilised for hygiene and printed with a measuring guide and space for noting date of filling. And of course BPA free. Swisspers Breast Milk storage bags are the hygienic and convenient way to store and use breast milk, and are sterilised for hygiene. Key features are individual tear-away seals for extra hygiene, a measuring guide printed on the bag and an area for noting the date of filling. Designed for filling with breast milk for immediate storage in the refrigerator or freezer. Size: 20 Pack