This is a wrap specifically designed to support and wrap around your wrist, elbow, knee, and you can even wrap it around your foot and wear a shoe over it for foot pain. You can attach two together and use it on larger areas like a leg or thigh. There are 6 of our most powerful 4000 gauss magnets in each wrap (24,000 gauss total). These magnets are known to help decrease pain and inflammation and improve blood flow for improved wellness. There are 2 colors to choose from on the drop down menu: Black or Gray. It measures 12". You can wear it as a stand alone piece to decrease pain with light support from the velcro band, or you can put it under a wrist or knee support to help your body's ability to restore health. Made from a soft velcro material. Adjustable to all sizes as the entire piece is able to attach to the end velcro piece anywhere along the length of the band. Magnets are removable for cleaning. The magnets are encased in a waterproof plastic sheath and are marked with a red dot. If you remove the magnet, put them back with the red dot facing away from the body!