All metal construction, 210D oxford cloth with exterior zippers design ensure safety use and essay set up. Multiple vents to accommodate fans and filter. Great for you to grow exotic fruits, herbs, vegetables or seasonal fruits out of season. Indoor gardening made easy! Features: Frame: white paint coated metal rods Connector Material: sturdy metal Large zippered door for easy to set up and storage Rectangle vents with mesh for better ventilation Extra waterproof floor with belt for more protection 4 nylon belts for hanging the grow light Multiple vents for 4 inch, 6 inch or 8 inch fan and filter output(Vent rings are NOT included. Sell separately in store). Perfect for use with 400W grow lights, as a larger drying tent, or for propagation. Vents Parameter: Round - 4" (2 Holes); 8" (3 Holes) Rectangle - 15-1/2" x 7-1/2" (3 Holes) Quality Improvement: Interior material use Diamond mylar enhance the reflective effect. Rectangle vents use high density screen to prevent mosquito fly inside. *Please kindly note that the grow light is not included. Package Content: 1x Reflective Growing Tent Cover 1set Metal Frame 1x Removable Water-proof Floor Tray 4x Nylon Belts 1x Assembly Instruction