WITZMAN Men Travel Backpack Canvas Rucksack Vintage Duffel Bag A2021 (21 INCH Black) Big Size: 13"L x 21"H x 7.5" W ,Material: Premium quality cotton canvas and PU; Features various carrying options with multiple handles 2 Front zipper pockets, a side pocket, a main pocket with a laptop computer slot for 12-16 inch laptop, and pen pockets and smaller pockets inside; Special Feature: there is a zippered pocket on the backside that contains backpack style shoulder straps. You can use this bag as either a duffel style bag or backpack style bag; Backpack straps feature padded mesh shoulder straps for both comfort and breathability; Additional duffel shoulder strap can be detached when not in use; Warranty: All of our backpacks have 1-YEAR WARRANTY and the removable duffel style shoulder strap is lifetime warranty. Any problems with your bag, please contact our world-class, friendly customer support team for quick solutions by contacting us through Amazon; 18.5&#034; Small Size: 18.5&#034;H x 11.5&#034;L x 8&#034;W, weight: 1.34kg (2.95lb) 21&#034; Large Size: 21&#034;H x 13&#034;L x 7.5&#034;W, weight: 1.47kg (3.24lb) 2 x front zipper pockets that can hold your small items such as a tablet, wallet, glasses, etc; 1 x side pocket that is perfect for suitable for a water bottle, umbrella; 1 x main compartment that has enough room for your 15.6 inch laptop, phones, iPad, A4 binder, books, clothes, shoes, keys, wallet and more. 1 x laptop pocket that can hold a laptop up to 15.6 inches; 2 x small open pockets that are great for easy and quick access to your keys, charger or cell phone; 2 x pen holders.