The cover is made of a thick clear vinyl material - 10-12 mil thick PVC with plastic white zippers. The cover has zippers on the 2 sides on the front, Bun pan rack cover creates a sanitary barrier for all of your mobile pan racks and fits standard bun pan racks with 11 and 18 shelves. This cover is made of durable, 10-12 mil vinyl that provides an economical way to protect pre-plated food from contamination, and is secured with hook and loop tape stripping to make loading and unloading a snap. It can be simply wiped clean with a soft, damp cloth. Overall Dimensions: Length: 32" Width: 22" Height: 61" Clear Viewing The cover's transparent design allows your staff to quickly identify the contents of your bun racks at a glance for more efficient service and reduced downtime. Heavy-Duty Plastic Made of heavy-duty plastic, this cover combines a tear-resistant top with reinforced seams to ensure long-lasting use. Three Zippers Three zippers provide employees with easy access to items without having to remove the entire cover. Folding Storage It's easy to slip on and off racks and can be folded neatly for space-saving storage while not in use.