The Shock Doctor(TM) Adult Gel Max Convertible Mouthguard has a Gel-Fit(TM) liner that custom molds to your teeth for a tight, comfortable fit. The Triple-Layer design features an integrated breathing channel and has a convertible tether that allows the mouthguard to be strapped or strapless. Crafted using a heavy-duty rubber Exoskeletal Shock Frame, the Gel Max Convertible Mouthguard offers the ultimate protection for any sport. FEATURES: Gel-Fit(TM) liner molds to your teeth Exoskeletal Shock Frame gives you extra protection Triple-Layer Design with integrated breathing channel creates maximum protection, fit and comfort Convertible tether allows the mouthguard to be strapped or strapless Meets NFHS rules for mouthguards Manufacturer's $10,000 dental warranty Adult: Ages 11 and older Model: 6113A Shock Doctor For additional information relating to the Manufacturer's Warranty, please contact 952-767-2330.