"3D Diamond" Oxygen Football Mouthguard Time to shine. The Oxygen is the original patented mouthguard designed and developed by athletic, dental and medical experts to deliver superior airflow and better performance. This football mouthguard delivers more oxygen to the muscles for faster recovery, clearer thinking and faster reaction times play after play. Available with convertible strap. With the no boiling and maximum protection features, this is the best mouthguard for braces. For players that have braces, you will be able to ditch the boring braces mouthguard and choose from a variety of styles and colors like everyone else. Learn how to wear a braces mouthguard here. Features & Benefits No boiling required Works with braces Helps open TMJ Maximum breath-ability Advanced composite Absorber shield Strap included Sizing One Size Fits Most Technology Patented design leverages SCUBA breathing innovations Largest breathing hole on the market Warranty Unlimited Defective Guarantee 5K Dental Warranty with or without braces Shipping- Orders placed after 11 AM CST will be shipped the following day - no weekend shipments FREE Shipping- Contiguous U.S. on all orders over $30 (5-7 business days) Standard- $4.99 to contiguous U.S. (4-6 business days) Priority- $8.99 to contiguous U.S. (3-5 business days) Expedited- $18.99 to contiguous U.S. (2-3 business days) Express- $28.99 to contiguous U.S. (1-2 business days) International- Calculated at checkout