The basics This heavy-duty nylon cover can be used with both the round & square tubing rolling racks.  The benefits This rack cover has no zippers. It is open at the bottom only. The uses Safeguard your wardrobe from bad weather, accidental spills, dust build up, etc. The bottom line This durable cover is made of heavy duty nylon. If you want to feel secure that your clothing and your racks are protected, then our rack covers are the answer.