Large heavy duty Zippers & Double Stitching for protection against light leaks. Easy entry and access Heavy duty 5 mm 3-ply vinyl construction with tear resistance 95-Percent reflective Mylar interior. Sturdy metal frame structure, with metal push-lock corners Water-Resistant. Removable Mylar floor tray for easy cleaning Quick tool-free installation. Measures 24" (length) by 24" (width) by 36" (height) Warranty: 1 year