Imported environmentally friendly EVA production, ergonomic design The design of the back bumps enhances the shock resistance, thereby reducing the concussion The positive gap design makes breathing more smooth. This is a brand new 100% mouth guard with excellent quality Dual density structure, softer than other tooth protectors Heating snap-in design, more fit shape of the users' teeth. Groove adjust the surface of the teeth, convenient to maintain gentle breathing and does not affect the protective effect of teeth during strenuous exercise. The mouth guard can reach back molars, to provide complete protection. Ideal for paramilitary, judo, claw, free of combat, ice hockey, rugby football, baseball and Muay Thai etc. Shape: curved Material: EVA Color: Black and whiteClear BlueTransparent whiteGreen white Specifications: Environmentally friendly EVA production Ergonomic design The design of the back bumps Enhances the shock resistance Reducing the concussion The positive gap design makes breathing more smooth. Package Included: 1*Mouth guardwith case