Maintenance-free, roomy, and comfortable, with sturdy UV-stabilized polyethylene construction featuring ribbed allows, pre-installed aluminum window tracks and door support, and a 1/2'' plywood floor. Great visibility, with a 7'' x 29'' window opening in each panel. Includes a single lockable door with a powder-coated plano hinge, tinted windows, and off-season window covers. Assembles easily -- all you need is a cordless drill motor and a Phillips bit! Blynd dimensions: 4' x 4'. Blynd weight: 75 lbs. TMA certified. Tower total maximum weight capacity (including Blynd): 750 lbs.