Winco C-DPF1 - Clear Dome Cover - Full-Size - Flip-Up Hinge OpeningWinco C DPF1 Clear Dome Cover Full Size Flip Opening Polycarbonate For 12 x 20 Trays or Steam Pans The Winco D DPF1 is a full sized flip top dome cover. It helps keep food warm and moist while allowing easy serving access. The cover is made of clear polycarbonate and is heat resistant, and NSF listed. It measures 21 1 2" long by 13 3 4" wide and fits snugly on top of a 12" by 20" tray or dish. It features a 2 piece flip lid for access to the food