3 in 1 Laptop Backpack Multi-Functional Business Briefcase 。?【Large Capacity Design】17.7 x 6.3 x 12.6 inches. VITARVIX laptop bag fits up to 17.3 inches laptop. Inner buckles and thick foam padded compartments provide double protection for your computer. ?【3 in 1 Laptop Backpack】Three carrying styles, could use as backpack, shoulder bag and messenger bag, meeting your different needs. When used as a messenger bag and shoulder bag, the straps can be hidden. The luggage strap can be attached to suitcases to free your hands. ?【High Quality Fabric】Made of high-quality waterproof thick canvas and nylon fabric, Our laptop bag is waterproof, wear-resistant and dirt-resistant and easy-clean. Shoulder strap is made of thickening mesh sponges and adjustable buckles, which is ventilation, shake-resistant, and relieve the pressure on your shoulders. shoulder bag pad is made of irregular-grained leather, which is non-slip and anti-shedding. The leather hand-held is comfortable and durable. ?【Rich Internal Structure】5 pockets outside, you could hold phones, cosmetics, wallets and keys etc. Two large pockets with one laptop compartment, could hold 17.3-inch laptops and iPads, books, documents and could store clothes for 2-3 days. Multifunctional areas can save your time and space for reasonable and efficient storage.