Mouthguard Model description: The professional mouthguard BREATH offers high protection against tooth and mouth injuries during boxing, MMA or other contact sports. The extra thick rubber rim and an adjustable gel filling offer not only ultimate protection but also comfort and easy breathing. The thermoplastic material is adjusted by heating it in water (see enclosed instructions for use). Sizes: Junior children (under 12 years) and Senior teenagers and adults (12 years and older).CE tested according to DIN EN 13277 .