Because of its large size, the Standard can be applied to larger areas of the body, including the entire spine, both shoulders, and the legs. Versatility makes this the most popular size.
Manual switch for safety. This means that you have to hold down the switch to keep the unit on. When you let go, the unit turns off. This is to ensure that you don't fall asleep with the unit on - to prevent burning.
•14" x 27"
•Hold down for heat
•Release to cool