UltraGel Plus™ professional mouth guardFantastic mouth guard with two layers of protection with the inner UltraGel Plus™ layer that provides fantastic implementation within the teeth and superb protection, as well as superb protection and the outer shell layer provides maximum protection for teeth, the jaw and the brain.• Slightly protruding elements on the lower side of the shell prevent shifting while teeth are clenched• Comes with a quality anti-bacterial plastic box• One size fits nearly everyone over the age of ten