21" x 54" x 54" Nylon Cart Covers protect Wire shelves, solid shelves and shelving units against pilferage, airborne dust, water and other contaminants. Velcro and zipper flap are available in 400 Denier Fabric. Specify zipper or Velcro for closure. **Note: Cart covers are custom made to order and can take up to 10-14 business days to ship..