Safe and effective full jaw protector EVERLAST EVERSHIELD DOUBLE MOUTH GUARD, characterized by the ability to be custom molded to the user after placing the guard in boiling water. The guard has a dual-layer construction , including a shock-absorbing inner layer surrounded by a harder outer shell that protects against impacts. The design of the guard provides excellent cushioning by absorbing and dispersing the force of impact, preventing serious injuries to both upper and lower teeth. This allows for maximized protection and comfort during use, which in turn improves sports performance and sparring effectiveness. Safe for health and the environment, made from materials free of BPA and phthalates .