Our tents Exterior material is made from a completely lightproof 210D weight Oxford Cloth making it easier to control the inner atmosphere of your tent. * The 100% refectiveness quality of our inner waterproof diamon mylar fabric increases your lights reflectiveness. * All Corners and Hooks on hanging bars are now made of a sturdy metal!! No more Flimsy Plastic Corners and Hooks that need to be replaced every Couple of month from light Damage. * Any rectangular vents on the tent are covered with a heavy duty mesh to eep out any small insects that may be harmful to your plants. * Our Grow Tents also come with a removable Waterproof Floor tray with belts to protect against any spills and water damage that may occur during your growing process.