No one knows dedication like a pumping mom. Protect every hard-earned ounce with Lansinoh® super strong Breastmilk Storage Bags. Safely freeze and store your breastmilk with reinforced double sealed side seams and a double zipper for ultimate protection. Presterilized for safe storage and made without BPA/BPS. There’s a reason Lansinoh is the #1 selling breastmilk storage bag in the US.