Inside are eight fleece compartments with fiberglass inserts to maintain rigidity, and can hold cymbals up to 24 inches and hi-hat and splash cymbal pockets up to 15 inches inside the case lid. The back of the suitcase opens up to reveal a zippered pocket that can be attached to a luggage trolley*. (Not included) All protection racket product codes and descriptions refer to the shell size of the drum/instrument to be transported. However, all internal dimensions are larger to accommodate boiler hardware mounting and connections. See product listing with product codes, descriptions and internal dimensions.