Amazon.com: Lovelinks21 45L Tactical Assault Backpack 3 day 。* Superior Durability: Each backpack measures 22 x 10 x 14 inches，45 Liter Tactical Assault Backpack is made of high-quality 900D Oxford fabric, super durable for daily use or outdoor adventure. * Functional Compartment: With a spacious main compartment, multiple front and side pockets, and a separate laptop sleeve, this tactical backpack can hold a wide range of gear, from clothing to electronics, for a three-day assault mission or other outdoor activities. * Comfortable and Adjustable: This military tactical backpack comes with adjustable padded shoulder straps for comfortable carrying; and a sternum strap for further stability, The shoulder straps and back area are padded with mesh to provide comfort, breathability, and strength while traveling. * Waterproof Protection: The Daypack for sports and fitness is waterproof and designed to keep your belongings safe and dry in all weather conditions, ensuring that you are prepared for any situation, all stress points of the rucksack are reinforced and double stitched. * This camping backpack is an absolute must-have for men or women who do a lot of camping, hiking, trekking, traveling,g and wilderness survival expeditions!