Opro are industry leaders in mouth guards for all levels. these can be used in any sports including boxing, MMA, Muay Thai, Kick boxing and more. We love their range and it's the only gum shields we stock due to their quality and reputation. Look at their incredible Opro powerfit Mouth Guard, it's our absolute favourite. Or if you're looking to keep the cost don the Silver & Gold level gum shields are excellent too.