Mylar Grow Tent 1.2 x 1.2 x 2.0m Waterproof and air-tight material. Silver Mylar lined interior for maximum use of light. 600D polyester aluminum coating inside. Velcro fasteners. Mylar Silver, SBS Zips, thick Cloth 100% PVC FREE WILL NOT KILL YOUR PLANTS! Removable water-proof floor tray for spillages. Inlet/Outlet vents for fans. Quick and easy to assemble, brilliant silver interior. Adjustable intake and exhaust vents. Military grade zips give full access to the crop. The ideal environment for home cultivation!