Puffer Fish Skulls Sling BackpackPerfect for organizing all your accessories, you'll love all the pockets on our Sling Backpack! Made with canvas and woven materials and lined with waterproof canvas this is our Regular size sling which includes 1 interior mesh slip pocket, a main compartment big enough for a water bottle or Switch, and 1 exterior security pocket. This backpack runs approximately 7 inches long x 14 inches high x 3 inches deep; with a detachable adjustable strap length