Protect your food from dust, dirt, bugs and other contaminants with this clear plastic 20- and 30-tier sheet pan rack cover. Sized to fit Winco 20- and 30-tier full size sheet pan racks, the transparent cover is made from durable 3 mil vinyl plastic, and has two zippers to make loading and retrieving pans from the rack convenient and easy, saving employees time and effort. The commercial sheet pan rack cover measures 15" x 21" x 64".