This is the Seadive SeaRover RayBlocker HD Scuba Diving Mask Features: The single lens mask provides an unobstructed view Drop point lens design offers excellent downward field of view Easy-adjust buckles are attached directly to the mask skirt for a better, more comfortable seal Fog resistant coating Plastic box with lid included RayBlocker-HD coatings allow almost 100% light passage which provides higher definition (HD) vision underwater. Reduces harmful UV rays and glare.