TMS 48x48x78 100% Reflective Mylar Hydroponics Indoor Grow Tent Non Toxic Room 4x4x6.5ft Hydroponics Grow Tent is a high quality and safe product which is designed especially for horticulture industry. It will offer you ultimate control over your Plants' environment; result in strong and healthy plants with increased yield. Features: Tent Exterior: Black durable, weather resistant heavy duty 210D oxford cloth;Tent Interior: 100% Highly reflective water-proof mylar ;Light-proof material prevents light from entering or exit for controlled light cycles;Strong Powder coated steel tubes with flexible plastic connectors;Large zippered door for easy to set up and storage; Rectangle vents with mesh for better ventilation;Removable waterproof PVC plastic floor tray;Highly reflective non-toxic waterproof PVC plastic ;Extremely lightweight and easy to move once constructed;compatible with 400Watt, 600Watt grow light set up;It is ideal for growing beautiful indoor hydroponics easily and safely Specifications: Overall Size: 48''L x 48''W x 79''H ;Connection Tube Size: T16mm x D0.8mm;1 x Door: 70"x41"2 x Windows: 39 1/2" x 33";3 x Rectangle vents : 13 1/2" x 6";2 x Small Round Vents: 3'' diameter;5 x Big Round Vents: 7'' diameter; Package includes: 1 x Reflective Growing Tent Cover;1 set Metal Frame;1 x Assembly Instruction;1 x Removable Water-proof Floor Tray;4 x Nylon Belts.