Water repellent canvas. Multiple exterior pockets for organization. High-density 16oz canvas. Top grain leather trim. Lined with Davan's durable custom made fabric, its bright color makes finding what you need easy. Double anti-rust coating hardware. Easily adjustable shoulder straps. Lightweight 0.65 kg ( 1.43 lbs.) Easy to reach front & back pockets for your phone or frequent-use items. Multi-function – Backpack, Sling Bag, Chest Bag. Dimensions: W 23cm(9 inch) X H 41cm(16 inch) X D 17cm(6.5 inch)