G-LEAF 48"x48"x80" Reflective 600D Diamond Mylar Grow Tent With Window Horticulture Non Toxic 4'x4' Hydroponic Grow Room High Quality Non-toxic 600D Canvas & Ultra Reflective Diamond Mylar, 4ftx4ftx6.7ft Durable Double Nylon Stitching Hemming With Ribbon Weaving. NOT CONTAIN LIGHT ADN CARBON FILTER AND ROPE HANGER AND DUCTING Stronger 16mm Powder Coated Steel to Powerful Hanging,Steel Corner and Double Protection Each Corner for Sturdy Stable Heavy-Duty Metal Thicken Zipper to Keep Use From Annoying and Hard Assembles Easily in Minutes Without Tools Follow the Manual Instruction