MatchMates Fanny Pack Combination Kit, Black• Ideal for nurses, EMTs and students with its custom user design• 5 interchangeable chestpieces – 3 bells (adult, medium and infant) and 2 diaphragms (small and large) • 3 different types of eartips • Calibrated nylon cuff• Matching fanny pack features an adjustable belt, an outside zipper pocket with mesh interior pocket and a roomy pocket inside the main storage compartment• Lifetime calibration warranty on gauge Product photo may not exactly match the product offered for sale. Please refer to the product description.