This Mouth Guard is well formed and made with the silicone gel material. The jaw is composed of two layers, making it up to three times thicker than conventional mouth guards, ensuring the safety of the teeth .Allows you to breathe comfortably and a great sense of comfort to the user. Gel liner is a material that has properties to closely imprint the opposing teeth. This mouth guard provides maximum protection for your teeth, jaw , and indirectly the whole brain. Gel in silicone, a feature that prevents the movement of the mouth guard during the use. Conforms to the moulding jaws by immersing it in hot water ( NOT Boiling!).In addition the product includes a practical storage box for hygienic use .Used in all sorts of contact sports.