COMFORT – Acts like a sports band at night for sleeping children, compact and lightweight armband comes with adjustable Velcro straps that fit up to 8" biceps PATENTED DESIGN – Comfortable design solution for securing the Chummie Premium, Chummie Elite and many other bedwetting alarms through the night CONVENIENCE - Quick access for inserting or removing alarm and accessing turn off features of the Chummie alarm; also acts as a standalone case for your alarm unit during the day