The 3N1-20 DL Sling Backpack is designed for ultimate freedom, providing three carrying options in one, effortlessly morphing from right sling to backpack to left sling. The 3N1-20 DL Sling Backpack holds a Pro-DSLR with battery pack and mid-range zoom lens attached, plus 3-4 lenses, flash and personal gear, OR a compact camcorder with accessories. In sling position, the bag swings around from back to front to provide quick draw access to your main camera/camcorder and important gear. In backpack and "X" position you can comfortably carry your equipment for long distances. Arrange equipment in the bottom main compartment of the pack, taking full advantage of the modular dividers to custom fit the bag to your needs. The large top compartment holds personal gear or additional gear, and two external pockets allow quick zippered access to accessories you need often. External Dimensions: Length9.8" x Width 8.3" x Height 16.9". Internal Dimensions: Length 7.9"x Width 5.9"x Height 11". Weight 2.1lbs.