Port-A-Dog Box - 2 Dog T462 (330603) TOP MADE W/ DIAMOND TREAD ALUMINUM Door hinge on bottom - eliminates risk of pinching Louvered sides and back, plus perforated doors for excellent ventilation Lockable doors made of durable .08" aluminum Hinges rivet to doors for added strength Economical shipping anywhere Assembles in minutes Fits practically anywhere 24 W x 20H x 46L