Stalwart Hiker"s Backpack with 12 Pockets: * Durable 420D Nylon construction * 12 total pockets * Zippered, Velcro, and mesh pockets * Main compartment is accessible from the back or under the between the straps for added convenience * Interior mobile device pocket with Velcro enclosure and opening for headphone or headset * Exterior mobile device pocket with Velcro enclosure on backpack strap * Comfortable adjustable straps * Dimensions: 11" x 6" x 18-1/2"