Ziploc Double Zipper Freezer Bags, Gallon, 60 Bags (4 X 15 Count Boxes) Pack of 60 bags total (Packed as 4 x 15-count boxes) Double Zipper closure helps seal in freshness and lock out freezer burn with two zippers that close easily together for a secure seal. Extra thick plastic protects food in harsh freezer environment. Double Zipper, our tightest seal ever.