Description<br /><br />Color: Blue，red<br /><br />Material: Silicone<br /><br />Size: as the picture shows<br /><br />For what sports: Boxing， Taekwondo， Basketball， Football，etc<br /><br />For which people: universal<br /><br />Package Includes:<br /><br />1 X Teeth protector<br />            <br /><br />Features:<br /><br />· High-quality silicone<br /><br />· Suitable for Boxing， Hockey Martial arts or some rough sports<br /><br />· Comfortable， one size suitable for all<br /><br />· Reusable<br /><br />Instructions:<br /><br />· Place the gum shield in hot water(about 80℃/176℉)<br /><br />· After 15 seconds， get it out and bit down， make sure it can stick  firmly against upper jaw.<br /><br />· Put it into cold water and make it shaped.