This Mission Photo 25L backpack from DaKine features: Vertical board carry straps, removable padded camera block, tripod carry system, main compartment access to camera gear, side organizer pockets, deployable rain cover, padded waist belt, adjustable sternum strap, deployable water bottle pocket, limited lifetime warranty. Adventures are messy, if your DaKine bag gets dirty they 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. Outside dimension: 1500 Cubic inches (25 liters), 20 x 11 x 6'' (51 x 28 x 15cm). Inside camera block dimension: 13 x 12 x 5'' (33 x 30.5 x 13cm), 3.7 lbs. (1.7kg). Material: Nylon, Polyester.