Constructed from heavy-duty 8 and 11 gauge mesh for security and stability; Large front door features a heavy framework plus 2 security locks; Unobstructed views and better air ventilation than plastic kennels, plus it wont leak or stain like galvanized steel; Easy to assemble, no tools required; Crate measures 24-inch Long, 16-1/2-inch Wide and 20-inch High open folds to flat 20-inch 4-1/2 -inch Long, 17-inch Wide and 4-inch High