It will fill the contours of your teeth and stay in the mouth - exactly where it’s meant to be! We have a pre-formed base to our mouthguards that we like to call JawSecure. This will help protect your jaw from impact whilst biting down on the guard. We've ensured that our gum shields have an ultra-slim profile on the inside of the mouth ensuring minimum interference whilst playing sport. Use crowd: unisex Uses: martial arts school, boxing gym, gym, boxing, Muay Thai, Sanda, comprehensive style