Brand New open box Price is firm KEEPS ALL LIGHT IN: The VIVOSUN grow tent blocks all light from escaping and is lined with 98%-reflective mylar to boost the output efficiency of any grow tent setup; Zipper with black lining create a light-proof seal without the need for additional flaps and self-adhesive tape EXTRA-THICK CANVAS, STANDS STURDY: The top-quality 600D canvas is tear proof and double stitched for perfect light blocking; the thickness of the canvas is 0.8mm and the tent is supported by strong metal poles that are specially finished for smooth installation ATTENTION TO DETAIL: Little is more annoying than a low-quality zipper, so we've gone to great lengths to ensure our heavy-duty metal zipper is the best on the market EASY OBSERVATION OF YOUR PLANTS: Don't throw out your back checking on your plants; Our easy-access door unzips smoothly, and the observation window makes it easy to peek