Sentry® Bar Code LabelBand® Patient Identification Band, 12 to 13 Inch, 1 Box of 500 Bath Mats 0cc fill) * Oval Shape Oxygen Masks 0cc fill) * Oval Shape * Conforms to a wide variety of treatment sites * Adhesive Foam * Stretches and adheres well when under stress * Three Sizes * Small medium and large pH Defining Agent * Adjusts pH to ideal target to optimize transport when using a carbon conductive element pH Buffering Agent * Maintains ideal pH Viscosity Enhancing Element * Creates uniform current distribution for greater patient comfort * Packaging: 12 treatment kits per box * Shipping Weight: 0 BLACK POLYURETHANE COVERED * Standard 10 x 13 Clear adhesive shield provides easy and accurate bar code scanning and optimal protection from water Healthcare wristband is between 12 and 13 inches