1000 Denier nylon Spacious main compartment, several pockets,2 side compartments, and a front pouch Fits belts up to 2.25'' wide The holster has a spacious main compartment, several pockets for your instruments, two side compartments and a front pouch to hold latex gloves. The response holster is made of 1000 denier nylon and has a quick release hook and loop type belt loop for easy attachment to belts, gurneys, etc. It fits belts up to 2.25'' wide.