Anti-fog diving mask - independent breathing chamber design, through the dual airflow system to prevent the mask from fogging, enjoy a crystal clear experience. 180 Panoramic View - Full face mask diving mask gives you shatterproof safety window and 180 wide view underwater. Full Face - Scuba mask eliminates the inconvenience of putting a snorkel in your mouth, allowing you to breathe naturally underwater through your nose and mouth. Compatible with action cameras - The full face diving mask is action camera compatible, allowing you to capture all the amazing things while snorkeling. More Comfort - Quick to put on, panoramic full face snorkel mask, buckle adjustable mask and soft premium silicone rubber skirt for more comfort while diving. Size: L/XLsize: inner diameter 19*13CM, outer diameter 23*19CM (adult large size) Packing List: 1*Snorkeling Mask