Features: Food grade EVA material won't hurt your gums lips, or causes pain. Shock absorbing & non-slip gel inner layer gives a comfortable extra cushion. Groove design allows for a smooth breathing. Comes with a case for convenient storage and transportation. Suitable for all contact sports like football, basketball, hockey, MMA, boxing and more. Specifications: Material: EVA Color: Black & white / White & black / Transparent / Black & red / White & dark blue / Black & blue / White & red (optional) Product Size: 57 * 47 * 18 mm / 2.2 * 1.9 * 0.7 in Product Weight: 15 g / 0.5 oz Package Size: 83 * 77 * 32 mm / 3.3 * 3.0 * 1.3 in Package Weight: 30 g / 1.0 oz Package List: 1 * Mouth Guard