Big enough to hold a DSLR camera with lens attached and an additional 3 to 4 lenses . 3 large zippered pockets as well as 2 memory card slots and space for a flash unit. Removable shoulder strap with non-slip pad , padded carrying handle , rolling luggage sleeve . First company to offer an integrated all weather cover which still allows access to contents of bag. Excellent condition - no longer needed as I now use a small powershot camera. dimensions - 13" x 9.4" x 9.3"