Lansinoh Breastmilk Storage Bags (50pcs) provide leak proof protection with a patented double Click 'n' Secure™ seal! These award winning storage bags feature a convenient pour spout and has a 6oz capacity each. A separate, outer write-on tab allows the date and amount to be written clearly without any risk of ink contamination and puncturing the bag. Lansinoh Breastmilk Storage Bags are designed to lay flat for efficient storage and thawing and come pre-sterilized for your convenience. Each box contains 50 milk storage bags (6oz). Note that this item is a value saving bundle of 2 boxes of 50 milkbags each. Note that there has been recent packaging change and you might receive one of the packaging shown in the image gallery. It appears that change affects only packaging and marking on bags, no change in bag quality or functionality.