Product Highlights : ?Back to school supplies, personal carry on for yourself, gifts for those who go to school, travel and work, a must for school supplies travel accessories and laptop accessories. ? A luggage sleeve allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier transport. ? A theft proof pocket in the back could hold your phone, wallet, cards, or small items, increase your valuable items security. ? Dimension: 18. 1 x 14. 1 x 7. 8 inch, Capacity: 32L ? Polyester is popular and perfect lightweight material for heavy duty and outdoor use. As of durability, polyester is resistant to shrinking and stretching. It is not easy get wet, get wrinkled and ensure long lasting usage. ? External pockets on both sides are made of Elasticized Mesh, expands to secure various size water bottles and compact umbrella. ? Backpack with charge port offer a quick access to charge your phone, very convenient and stylish. ? Features airflow multi padded panel and padded shoulder straps for cushioned comfort, delivers optimum comfort for your back and provides optimum comfort for your shoulders, ven when carrying heavy loads. Large Multi-Compartment and Pocket: Separate Laptop Compartment with Velcro laptop straps: Separate Laptop Compartment: Fits 15. 6, 15, 14 Inch Laptops and Macbook?Laptop over 17inch is not recommended) Roomy Main Compartment: headset, thin clothes, book, magazine, camera, CD's, etc. Front Compartment: for iPhone, pen, keys, wallet, purse, glasses and other small items Water bottle Side Pockets: Durable Elasticized Mesh Pockets on both sides, fit water bottle, small compact umbrella and other items Anti theft Pocket in back: cellphone, wallet, earphone About Matein Matein is dedicated to provide everyday traveler, students with high quality, stylish and affordable backpack