Completely Light-tight, waterproof and air-tight material. Silver reflective inner lining. Velcro fasteners. Removable water-proof floor for spillages. Inlet/Outlet vents for fans. Quick and easy to assemble, lightproof, brilliant silver interior. Adjustable intake and exhaust vents. Military grade zips give full access to the crop. The ideal environment for home cultivation! 100% PVC FREE - WILL NOT KILL YOUR PLANTS! Size: 150cm x 150cm x 200cm