This is the XS Scuba Merge 3 Frameless Scuba Diving Mask Features: Modernized redesign of the classic Merge Mask Updated with our latest swivel quick-disconnect buckles Merging the best in mask features for strength and quality Direct bonding of tempered glass to liquid silicone skirt Large, single window lens for unobstructed view Easy-adjust buckles Double, feathered edged sealing surface Includes mask storage box The XS Scuba Merge Mask 3 is a modernized frameless redesign of the classic Merge Mask. Updated with XS Scuba's latest swivel quick-disconnect buckles, merging the best in mask features for strength and quality. Direct bonding of tempered glass to liquid silicone skirt with a large, single window lens for unobstructed view, the Merge Mask 3 provides a spectacular field of vision.