About this item SPORT SAFETY: This advance composite football mouthguard provides full lip, mouth and teeth protection when you need it most, for confidence and peace of mind on the battle field. MAXIMUM BREATHABILITY: With the largest breathing hole on the market, the mouth guard delivers oxygen to the muscles for stamina and performance. NO BOILING: Easy to fit and comfortable to wear, the mouthpiece is suitable for athletes with or without braces on their teeth; also one size fits most – just bite down and you’re set. DENTAL GUARANTEE: The high performance convertible strap mouth guard has an unlimited defective guarantee, and a 5K dental warranty, with or without braces. BATTLE: As former athletes, we understand the importance of tough, durable sports safety equipment you can trust, and use cutting-edge science and on field experience to provide it.