Compact Professional Digital SLR Camera Backpack with Cleaning Kit for Nikon D600 , D3100 , D5100 , D7100 and Many More Nikon Digital SLR Cameras! nylon Durable construction with thick, padded walls and heavy-duty stitching and hardware Compact, lightweight design and adjustable, padded straps for added comfort Front compartment contains accessory pockets and flaps, strap contains an additional zipper-pocket Built-in rain cover pulls over pack for a snug, weather-resistant fit Padded interior compartment dimensions: 7"L x 4.5"W x 12"H