Arrow Dynamic- The Rope Sling fits the body like a bag should. the Rope Sling is made of polyester, making it water resistant. It also has an ultra-comfortable adjustable rope shoulder strap with side release buckle, two vertical zip compartments, two key or cell phone pockets, and a padded back with KAVU embroidery. Dimensions: 20" x 11" x 5" (10L or 610 cu in). Outside upper flap pocket dimensions: 5.5" x 3.5". Outside lower zip pocket dimensions: 7" x 4".