Tigernu Water Resistant Large Capacity 15.6 inch Unisex Anti theft Laptop Backpack with USB Charge Port Travel Bag (Black) PREMIUM MATERIAL: This stylish backpack is made of high quality, water resistant Oxford fabric with TPU. For the inner lining, soft feel polyester is used. The metal fittings, dual-layers four-teeth reinforced anti-theft zippers are scratch resistant, tearproof and of premium quality. If the bag gets wet can be wiped dry with cloth.