With an improved double lock seal, these Kosher certified gallon-size plastic bags are perfect for holding leftovers and snacks in your pantry or freezer. Each box comes with 12 gallon-size bags measuring 10.5" x 11".These gallon bags are a perfect donation to afterschool programs or classrooms to store random crayons, chalk and many other items. There are 12 boxes of gallon-size bags per case, perfect for donating.