Visismile Professional Mouth Guard is an excellent dental appliance. Made from soft thermoplastic premium medical grade, BPA and phthalate free material to provide the best and safest quality, so you may use it safely and comfortably in various occasions in your daily life. The best solution for teeth grinding or clenching. Protects your upper (upper) and lower (lower) teeth. Also, it can be used in whitening trays in teeth whitening treatments and a good option for protecting your teeth when exercising. Slim design for extra comfort while wearing.