FEATURES Quality diamond clear silicone for a great seal Soft silicone skirt and strap is non-allergenic with great fit and comfort Black silicone blocks reflected light for enhanced vision Safety glass lenses are tempered and will not break in normal use Low volume twin lens design for better vision and comfort Silicone mouthpiece for fit and comfort Purge chamber for easy clearance of water in the snorkel Splash guard to help prevent water entering Larger inlet for easier breathing Replaceable snorkel clip