400 Denier coated nylon fabric is the "elephant hide" of the outdoor fabrics. Created from 400 or 420 Denier nylon yarns, this High Density fabric is as tough as leather or vinyl, or any other fabrics on the market and yet is still light weight, workable and easy to sew. It is perfect for "extra duty" areas such as corners and bottoms on many items. It also makes the toughest bags where its extra weight is less important than superior toughness. This fabric is permanently sealed with a finish offering superior water repellent properties under all weather conditions that will not crack, blister or peel. 56" to 60" Wide 6.2 - 6.5 oz/sq yd Good for day packs, work aprons, lightweight luggage, wallets, bicycle covers, gaiters, garment bags, gym bags, and banners. CARE:Cold or luke warm wash. Tumble dry low. Do not use bleach or fabric softeners. Do not dry clean.