BACK BY POPULAR DEMAND!!! A safe, sterile, efficient means for collection, freezing and feeding. Each bag holds up to 6 oz. of mother's milk and doubles as a drop-in bottle- feeding liner. (eg. Playtex feeding system) Designed for the mother who is storing her milk for her baby. Each package contains 25 each, sealed, sterile bags and illustrated instructions for use. Easy to use, sturdy, lay flat for storage. An economical alternative to costly storage bottles.