This is the Seadive Monarch RayBlocker HD Scuba Diving Mask Features: The Monarch frameless mask fits most faces Single-piece construction so it is very lightweight The single lens provides an unobstructed field of view Easy-adjust buckles are attached directly to the mask skirt for a better, more comfortable seal Plastic box with lid included The Rayblocker Monarch HD Mask low volume design prolongs the need for equalizing and allows for easy clearing. The buckles of the mask are positioned directly on the skirt minimizing weight and reducing drag. "