LIGHT-PROOF: VIVOSUN grow tent blocks all light from escaping; On the inside, a 98%-reflective mylar lining makes your lighting set up more efficient at any power configuration EXTRA-THICK CANVAS: One touch will convince you of our canvas’ top quality: the 600D polyester material is tear-proof and double-stitched for the total light blockage DURABILITY: Featured with a roof, our grow tent stands solidly, supported by an easy-connect, sturdy metal frame especially finished to ensure smooth installation and safe handling EASY ACCESS: Don’t throw your back out checking on your plants! Our easy-access door unzips smoothly and our observation window makes it easy and comfortable to peek inside without disturbing your set-up EASY INSTALLATION: VIVOSUN grow tents are easy to install, even if it is your first time; No tools needed, simply fit each metal pole into place and drape the tent around the frame