Features:The large capacity(45L) stylish backpack with 20+ organizer pockets could meet your various needs, which is perfect for day-to-day use or occasional travel.Premium Material: Made of superior quality polyester fabric with high density nylon lining. Equipped with three large opening main compartment with rugged oversize zippers, adjustable side compression straps, a heavily padded back panel with Airflow ventilation technology, padded contour shaped shoulder straps with mesh fabric.Premium organizer compartment with multiple pockets and key fob. TSA Friendly: Allows you open the backpack quickly at airport security checkpoint and ensures a hassle-free laptop-in-bag TSA scan. Convenient: External USB with built-in charging cable offers convenient charging of your USB enabled electronic devices whether on a business or leisure trip, you can charge your phone, Kindle devices and all Micro-USB devices easily and conveniently without opening up the backpack.With a hole for headphone outside, you can listen to music on the go hands-free.Eyeglass holders on shoulder strap keep sunglasses or other small items secure and conveniently accessible.Multi-Funtional: Versatile for people of all ages, serves you well as a professional office business work backpack, outdoor travel daypack and college high school big student backpack for boys, girls, teens and adults. Specifications Capacity: 36-55L External Dimension: 19.49*10.4*14.96 Inches(LxWxH) Fit Laptop Size: 17Inch or less Fabric: Water-Resistant Polyester ❤After-Sales Service❤ If there are any quality problems with your backpack, please contact us and we will solve it as quickly as we can. We are committed to providing you with the best value possible and make you a joyful shopping experience.