It has dimensions of 19x25x10cms with 6 compartments, a back zipped compartment 23cms by 11.5cms, an internal middle zip compartment 20 by 17cms , a further zip pocket which is 14 by 11.5cms. Front area is 21cms wide but opens out further and the height is 9cms. The lining is waterproof on all our bags. Our fittings are made of brass. Long strap expands to 114cms so can be worn as a shoulder or cross-body bag. The straps 2.5cms thick.