Fighter Friends, has made their best mouth guard even better! By improving the gel-fit re your teeth sit%2C the Gel Max is now easier to fit correctly. In addition%2C they've engineered the mouthguard to have a convertible tether so you can wear your Gel Max strapped or strapless. All these improvements were made without sacrificing the great fit%2C comfort and protection you expect from the always reliable%2C never-fail Gel Max Mouthguard.