This is the Seadive SeaLite RayBlocker HD Frameless Scuba Diving Mask Features: The SeaLite frameless mask features single-piece construction so it is very lightweight The single lens provides an unobstructed field of view Drop-point style lenses provide excellent downward viewing so that you can better see your dive equipment and attachment points Easy-adjust buckles are attached directly to the mask skirt for a better, more comfortable seal Plastic box with lid included The XS Scuba Rayblocker SeaLite HD Mask has a single tempered glass lens, a high quality silicone skirt and head strap. The mask skirt is a double feathered edge design and the wide split style head strap combined for a comfortable and excellent seal on the face. The mask is equipped with a large easy to reach one-hand nose pocket for ear equalization. Mask has easy adjust strap buckles and comes with a mask box.