These convenient plastic bags can be cut to any desired length. Unique dispenser holds tightly wound polyethylene film, yet fits in the palm of your hand. Pull plastic bag material from center of dispenser, take the length you need, cut with built-in safety cutter, and tie a knot in the end. Bags are absolutely waterproof when tied. This refill pack comes with three 32-1/4' rolls of polyethylene film.