Mars Hydro 2x4 Grow Tent - 48''X24''X71''(120X60X180cm)No Light Leakage With High Reflectivity: Mars Hydro indoor grow tents use 1680D tear proof canvas as well as carefully stitched zippers to keep all light inside, and avoid light leaking. Increased Light Intensity: Highly reflective diamond inner mylar can reflect light to the entire plant and raise the light intensity by 25%, helping generate more than without a tent. Sturdy And Durable Indoor Grow Tent: With an iron framework and metal corners that