Shock Doctor Nano 3D Convertible Mouthguard (Trans Clear, Adult) Leading sports protection manufacturer^Performance and protection in mind^Worn by professional and college athletes worldwide 1/3 smaller than standard mouthguards Ultimate self-it mouthguard integrated breathing channels that allow you to breathe deeper and speak freely Content of Product: Monocoque Shock Frame, Nano Inner Wall, Tri-bite, Gel-fit Liner, Mora