NEW 59"x59"x78" Grow Tent 100% Reflective Mylar Hydroponics Grow Room, Non Toxic Hydro Dark Room Box Hut, GGBWB1520 99.9% Light Protection / NEW Non-Toxic, Non Material -Recycled, Non-Refurbished Easy, Tool-Free Assembly / Set Up in Minutes / Ventilation Windows / Sewn in Durable Zippers and Velcro Sturdy Metal Frame Structure / Polymer Push-Lock Corners 100% Reflective Silver Water-Proof MYLAR / Easy Light and Temperature Control Suitable for both Soil Based and Hydroponics Cultivation / Effective Air Circulation