Pack your beef the easy way. Quality opaque, polyethylene bags have a 1-1/2" bottom gusset for added burst protection. The heavy 2 mil thickness guards against freezer burn. When filled and frozen, they stack neatly in the freezer. "NOT FOR SALE" printed on all bags. Seal bags with Poly Bag Tape Machine and Poly Bag Tape - or seal with Hog Rings and Pliers.