Pro Plus Double Laminated Adult Mouthguard Strap/Strapless Combo in 1, Black/Gray: * Cutting edge design augments protective and performance-enhancing qualities * Smooth curves for a great comfortable fit * Favored by football and rugby players and heavy hitters in most team sports * Dual thermoplastic design * Secures and cushions the jaw creating a brain safety space at the TMJ * Reduces risk of concussion and internal head injuries from lower jaw impacts * AeroFlow Clench and Breathe technology enhances breathing and endurance * Designed for maximum protection and comfort * Fits over braces * Tested and proven to reduce forces up to 40 percent from lower jaw impacts * Protects upper and lower teeth, lips and tongue * Can be worn with or without strap * Aligns jaw to allow muscles to work at 100 percent, increasing strength * 30 second custom fitting instructions inside * Latex free * Meets FDA specifications * Anti-microbial storage case included * Standard boil and bite instructions