Dmaxx Lip Shield Mouth Guard 2.5 Safety comes first for athletes like you, and that means protecting even the small stuff. Keep your mouth and lips safe with the Dmaxx Sports Low Profile Lip Guard, an integrated lip guard constructed to protect your upper and lower lips. Mouth Guard has airflow channels that allows for breathing while your mouth is clenched. A convertible, quick-release tether allows the mouth-guard to be used strapped or strapless. Recommended for ages 7 and older.