Your pets door doesnt always have to be open. The Closing Panel Pet Door Cover lets you choose when you want your dog or cattocome and go. This durable, plastic dog door cover is rust-proof and easily slides into place when you want to block the pet door exit. This pet door comes in 4 sizes to fit whichever size pet door you have at home. Your pet deserves the best. TrustPetSafe to keep your pet healthy,safeand happy.