UltraStim Low Back Neurostimulation Kit. The kit contains a back support garment which is used during stimulation, 4 snap adapters and 4 UltraStim electrodes.The electrode placement instructions could not be simpler - they are printed on the garment When you have finished, simply store the garment away without the need to remove the electrodes for separate storage. If you wish to use the support garment for support alone Single patient use. Do not apply to broken skin. For use with a neurostimulator / TENS unit.Sizes Available : (Large / X-Large - Waist size 40\"-54\" (102cm-137cm)) or (Small / Medium - Waist size 25\"-42\" (63cm-107cm)) Supplied with English instructions only.