About This Item:HIGH-GRADE MATERIALS: Made from high-quality nylon to be water-repellent, tear-resistant and wear-resistant; super-comfortable aerated layers of honeycomb mesh and padding make the shoulder strap supremely comfortable.POLISHED, FUNCTIONAL DESIGN: The zipper for the main compartment can be hidden away with a cover so that zipper cannot be seen. This would effectively prevent some pickpockets from happening without affective the overall look of the bag; The USB charging make it easy to charge your electronic devices at anytime and anywhere; The length strap can be adjusted according to your needs or favorites.LARGE CAPACITY: With dimensions of 9.25''(L) x 15.75''(H) x 4.33''(W), this knapsack can hold all the things you need for the day, including 3 compartments that can hold a 13-inch laptop and an exterior zip-closed pocket for easy organization, can also easily hold ipad, wallet, umbrellas, sunglasses, bottles, keys, books and clotheses.PERFECT GIFT: This unisex bag can be used as a daypack, schoolbag, book bag or chest pack and is great for short hikes, travel, school, work, business, sightseeing, fitness, cycling, sports, etc. Can be a good gift to your frriends and family.Product Description:Specs:-Material: Nylon/ Polyester-Lining: Polyester-Exterior Dimensions: Width 9.25" (23.5cm), Height 15.75" (40cm), Thickness 4.33" (11cm)-Weight: 700g/ 1.54lbThree Steps- Charge your Phone:1. Connect the data cable in the bag to the mobile power;2. Connect the mobile phone charging cable USB interface to connect the external interface;3. Connect the charging cable and phone.Care Instructions:1. Scrub with water or water with detergent (no dry cleaning);2. Water temperature should not exceed 104F (40C);3. Do not wash with organic solvents.