TWO-LAYER constructed Boil & Bite Mouthguard (Durable impact absorbent frame + Tight and comfortable fit gel liner) to provide a comfortable fit and superb protection that offers a stronger resistance and gives you a stronger peace of mind while you play your sport. It is a must have for an athlete like you! ANTI-SLIP PADS evenly distribute the force of an impact to prevent and reduce injuries to your teeth, gums and jaw joint. Wide Breathing Channels reduce air flow obstruction: easily breath and speak with your teammates. CIRCULAR CUSHIONED PADS provide extra protection to absorb the shock from impact sports like football, karate, lacrosse, hockey, field hockey, rugby, roller derby, martial arts, MMA, boxing, sparring, BJJ, wrestling, etc. 100% SATISFACTION GUARANTEED - If you are not 100% satisfied for any reason, contact us directly and we will make it right with you. We also provide step-by-step instructions for the fitting process. Our excellent customer service is always here to provide support. If you have any questions about your sports mouth guard, we are happy to assist. Our customers are very important to us and we want all of you to be 100% satisfied with your purchase. Our mouthguard is designed for all contact sports like soccer, karate, lacrosse, hockey, football, field hockey, rugby, roller derby, martial arts, MMA, boxing, sparring, BJJ, wrestling and more. It provides superb protection and a comfortable fit. Available in Youth (age 10 and under) and Adult (age 11 and older) sizes. The package includes Mouthguard x 1, Storage Box x 1, Fitting Instruction x 1 (It is very important to closely follow the instructions during the fitting process) Important Information: * Not For Use with Braces / Retainers * Exact Size Dimensions are described and pictorially illustrated.