Carry your load inside and out with the slim Wonder backpack. This low-volume pack is great for day trips, sightseeing, or as part of your daily routine. Everything you need fits into the main 15-liter compartment. External bungee straps hold extra layers or on-the-go purchases. Details: Skateboard carry straps, fleece lined sunglass pocket, mesh side pockets, bungee storage, limited lifetime warranty. If your bag gets dirty, Dakine recommend hand washing with mild soap (like Nikwax Tech Wash), cold water and a soft bristle brush. If hand washing is not going to do the trick, use a front loader washing machine. To ensure your backpack doesn't get tangled, place inside a pillowcase or mesh bag before washing. Always use cold water, mild soap and run on a gentle cycle. Never bleach your pack. Hang to dry in a warm but shady place, ensuring both inside and out are dry before storing. Dimensions: 900 cubic inches (15 liters), 18'' x 12'' x 6'' (46 x 30 x 15cm). Material: Polyester.