Cramer Mouth Guard Strap Football, Basketball, Lacrosse, Hockey, Rugby, Boxing, Mouth Protector to Prevent Teeth Clenching, Sports Mouthpiece, Shock Absorbent, Junior Custom-fit, individually bagged mouthpiece protects against dental injuries Instructions and safety information printed on packaging, made with highest quality dental vinyl Boil and bite to create a custom fit in 30 seconds Provides comfort, ease of speech and breathing, and protects against bite through Junior sized for youth athletes under the age of 10, multi-sport use loop & tuck strap