Durable: Heavy duty 600D lightproof oxford cloth and Large heavy duty Zippers & Double Stitching for protection against light leaks Frame: diameter16MM white paint coated sturdy metal poles and Metal Push-Lock Corners Vents: Rectangle vents with mesh for better ventilation, Multiple vents for fan and filter output Green observation Windows: Instead of disturbing your plantҳ controlled sleep / wake cycle, Observation Window allow you to monitor and assess your plants without disrupting their environment. Great for those of you who like to keep a beady eye on their plants! Package includes(DISCREET package): 1x 96% 600D reflective Growing Tent Cover 1 set frame of rods and connectors/ Removable Water-proof Floor Tray / Nylon Belts can be used for Filter Straps/ 1x Assembly Instruction