??Features:<br />Self-heating pad design.<br />High elastic belt， good elastic， wear comfortable.<br />Paste and firm， changeless form.<br />Can effectively improve blood circulation， promote metabolism， and clear the meridians， enhance immunity.<br /><br />Specifications:<br />Material: Diving fabric， tourmaline<br />Color: Black<br />Size: 25.5cm*6.5cm（L*W）<br /><br /><br />Package list:<br />1 * Pair of Self-Heating Wrist Band