Nicely padded black ripstop nylon case protects flash units and similar size devices while allowing fast access. Front pocket holds an extra set of batteries or other accessories. On top is a hand strap, on the back is a loop for easy attachment to your belt or camera bag. The 080929 Large is recommended for the Canon 580EX, Nikon SB800 or SB900 flashes and measures 3.5W x 1.8D x 8.8"H.