Sports Mouth Guards are consumables, we recommend replacing it every 3 months, please disinfect before and after use. It also comes with plastic carrying case, so sports mouth guard will not get lost and easy to storage. The mouth piece is required or recommended for many sports, like football, basketball, boxing, MMA, hockey, lacrosse, soccer, Martial Arts. It provide the best fit with shock absorbent protection for you gums, teeth, and lips. Dual Layer Mouthguard: The Dual Layer mouthguard is thicker than average, and shock absorption design at the bottom provides excellent protection to your mouth. And we provide you 5 most popular colors for you to choose from. Size: Each Youth Mouth Guard is 5.2 x 4.2x1.7cm/2.04 x 1.65 x 0.67inch, suitable for youths below 10 years old. It was easy to mold to child teeth get the perfect fit and works perfectly fine, make it easy to talk, breath and drink without removing t Comfortable & Eco Friendly Material: The kids gum shield is made of soft and Eco Friendly EVA food grade material of the inner layer, tasteless, safe, non-toxic and FDA-approved, which gives super comfortable feeling, and the breathing channel design