Reasons for Choosing The Dwenles Bag: Size: 17cm x 7cm x 31cm(6.7 x 3.2 x 12.2). It is recommended to accommodate a maximum of 9 inches Ipad. Built-in large capacity beyond your imagination. External USB design, fast charging, release hands. Featuring an ergonomic design, with adjustable strap to perfectly fit your body. Multi-function water repellent and scratch resistant. Security anti-theft password lock, safer to go out. Hidden card pockets on the shoulder strap, easy to place bus cards, etc. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. The surface of the package is printed with reflective design, and the night warning is safer. It is the best gift for friends, lovers, family members, easy to use! - Zipper closure - Anti Theft Lock: Main compartment of the backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. - Multi Storage Area: Mens Bags has a main compartment for your clothes, books, lunchbox and other daily necessities. With several functional pockets, you can hold your small items perfectly, such as coins, cell phone, keys, pens, etc. Side pockets for quick access to your daily items. - Usb Charging Port: This Mens Womens backpack comes with a usb charging port(power bank not included), for charging electronic devices via connecting your own power bank. You can charge your devices hands-free on the go at anywhere and anytime outdoor activities and daily use. - Advanced Materials: Our bag is made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. Its more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. - Multi-Functional : Stylish, Unisex and Effective. Can be used messenger bag perfect for daily use at anywhere, camping, hiking, vacation, travel, trekking, mountaineering, weekend getaway, cycling, overnight trip.