UltraSource 192033 Hamburger Patty Paper, 5.5" x 5.5" (Pack of 1000) Dry waxed coating prevents grease bleedthrough, retains moisture, and makes papers quick release Perfect for separating burgers, homemade baked goods, deli meats and cheeses, and much more Non-stick wax-impregnated paper makes freezing and thawing homemade goods easy and protects the quality Place one sheet between pre-formed hamburger patties and freeze for an easy meal later 100% Biodegradable and compostable; FDA and USDA Approved for food service