Sunhiker Hiking Backpack, 50L/ 40L Sports Outdoor Backpack Bag Travel Camping Backpack Water Resistant Daypack with Waterproof Cover (Red, 50 Liters) Made of best Nylon, with SBS Zippers, high quality and durable, better ventilation not easy to deformation, can carry 50 kilograms weight Stuff Unique design straps ease the pressure on the shoulder, and The cushion with high permeability material, have never cover the sweat when you carry it a long time Reflective line on the Backpack, more safely in the Night, with lifesaving whistle and Large bearing capacity, Super versatile and multi-functional pack. With Waterproof Cover can protect your stuff from the rain, have big room for a laptop / notebook up to 15.6 inch, laptop charger, mouse, your iPad, mobile phone, A4 documents, books, magazines and other accessories Package includes: 1 * Backpack; 1 * Waterproof Cover