From Nomatic, the Navigator Sling 6L Backpack features: In the main compartment you get 4 pockets for storage This amazing sidekick has water-resistant, tamper-proof zips for protection and security, as well as reflective bars for visibility in the dark When you are on the move, the stabilizer strap gives you added support. The water bottle pocket hides away when not in use The card slot gives quick access to public transit cards or swipe cards for your office This bag is extremely comfortable, versatile, and ready for any adventure Made of 80% nylon and 20% poly The zippers are tamper-resistant zippers from ZOOM The bag is also vegan and made of 100% synthetic materials Weight approx.: 1.3 lbs. Capacity approx.: 6 liters Outer dimensions approx.: 13.5" H x 9" W x 4" D Strap circumference approx.: 30" contracted 60" fully expanded Device pocket can accommodate (sold separately): Max rectangular device size approx.: 11.5" x 6.5" Max square device approx.: 9.8" x 6.8" iPad Pro 11" approx.: 9.74" x 7.02" Imported.