The FoodSaver GameSaver 15" Heat-Seal Rolls keep fish and game fresh up to 5x longer. Designed to accommodate the avid hunter or fisherman's largest catch, the FoodSaver GameSaver 15" rolls are made of heavy-duty, multi-ply material and are proven to prevent freezer burn better than freezer bags. Each roll contains specially designed channels that block oxygen and moisture to maximize air removal. Create custom-sized bags for any of your sealing needs - simply cut a piece to your desired length, seal one end, fill, and then vacuum seal. For use with ONLY the FoodSaver GameSaver Titanium vacuum sealing system to package and preserve game or catch out in the field. Fielded fresh. Sealed fresh.