Check the listing for details. Battle Sports Oxygen STRAPPED Mouthguard with Lip Guard Protector Mouthpiece. Condition: New with tags. Listed at 17.99 USD. The Oxygen lip guard mouthguard features a larger breathing hole than its competitors, enabling athletes to perform at the top of their game. Unrestricted breathing aids in athletic performance and the thin, flexible lip guard makes the Battle Oxygen one of the most comfortable football mouthguards on the market. No boiling required. One size recommended for ages 10 and upPatented design leverages SCUBA breathing innovationsLargest breathing hole on the market Can be used with braces More oxygen available to the muscles and brain Faster recovery period Increased performance time, duration, and intensity $5000 Manufacturer Dental WarrantyThe Oxygen lip guard mouthguard features a larger breathing hole than its competitors, enabling athletes to perform at the top of their game. Unrestricted breathing aids in athletic performance and the thin, flexible lip guard makes the Battle Oxygen one of the most comfortable football mouthguards on the market. No boiling required. One size recommended for ages 10 and upPatented design leverages SCUBA breathing innovationsLargest breathing hole on the market Can be used with braces More oxygen available to the muscles and brain Faster recovery period Increased performance time, duration, and intensity $5000 Manufacturer Dental Warranty