This material gum shield offers complete fit and protection. Manufactured by OPRO, one of the worlds largest supplier of custom gum shields, it provides basic protection with a tough single density protective shell, and is a self-fit gum shield. With innovative integrated stretch zones, this allows the Opro bronze gum shield to fit any mouth. It has unique patented fin technology. The Opro bronze gum shield model has 11 fins from the same material as the outer shell. These fins break down when you bite into them while fitting, and they help grip the teeth. The Opro bronze gum shields are the first mouthguards in the world to achieve CE TYPE certification to the latest standards. Comes with a gum shield container. This product is latex free, and is not suitable for fixed braces.