New in Box 48"x24"x60" 100% Reflective Mylar Hydroponics Grow Tent Dark Room Box Hut Size: 48"L x 24"W x 60"H, made from heavy duty 600D oxford cloth. Do NOT have any PVC materials, which is known to release a chlorine based toxic gas that may harm the plants Powder coated anti-rust metal frame; Metal corner connectors; Thick 5/8" top cross hang bars for heavy grow lights. Vent: two 8" round on roof, two 6" round on rear wall, one 4" round on left wall, one 4" round on right wall, three 19 1/2"x2 3/4" rectangular One inside thermometer pouch and one bottom tray