Deliver superior airflow while offer full protection with the Battle(R) Oxygen Chucky Wanna Play Lip Guard. Offering full mouth coverage that's engineered to deliver consistent airflow, the Oxygen Mouthguard provides a balanced design of protective and performance benefits to finish each game with the same level of impact that you started with. Enhanced Protection, Optimal Airflow Full coverage lip guard prevents direct contact with your mouth to reduce impact Leveraged SCUBA design provides seamless airflow for optimal breathability Consistent breathing helps promote clarity on the field while delivering oxygen to your muscles Universal design accommodates braces and doesn't require boiling Key Details Unlimited Defective Guarantee 5K Dental Warranty with or without braces One Size Fits Most