Winner of CatFancy Editor"s Choice Award for Best New Product !Allow your cats the out-of-doors.... Safely! Twenty-One sizes to choose from.Standard (Cat) Wire (2" x 3" opening).All kits are made of solid Redwood and Galvanized Steel wire with 3 sides and a top, (the 4th side is the wall of your home), or can be made Free Standing (by adding a 4th side; see related products ).The actual panel size is 22 1/2" x 70 1/2", making the actual size of the Enclosure is slightly smaller than the named size.Also included are 3 adjustable standard shelves, (22-1/2" x 7-1/2") and a full-sized door so you can enter too! Minimal assembly is required.The enclosure is completely pre-assembled and then partially disassembled. You will receive the full-size panels completed with the wire attached; the door hinges and door are in place as are all latches and screws. To assemble simply place panels next to each other and tighten screws. The kit comes with complete, easy to read instructions, including drawings.Since the panels you receive are full-size, nearly 6" long, they will be shipped in oversized boxes at a somewhat higher shipping cost. This is done in order to make assembling your Cat Enclosure Kit very easy!Regular Enclosure Kits - 6" wide by variable depth6", 8", 10", 12", 14", and 16" deep kits available onlineWide Enclosure Kits - 6" deep by variable width6", 8", 10", 12", 14", or 16" wide kits are available onlineOptional 4th WallMake your kit a free-standing, 4-sided enclosure.  For a 6" wide x 6" tall Enclosure KitOptional Shade ClothShade Cloth protects your cats from the hot sun and harmful UV rays. Our shade cloth provides 80% UV blocking!  Optional ShelvesBuild onto your cat enclosure with extra shelves.  Allow kitties an extra place to run,  jump, play and sleep on.Regular Size: 22.5 in.  x 7.5 in.Extra Wide:  22.5 in.x 11.5 in  View this video showing the ease of assembly .