If you're looking for a Quality Twin Lens Mask the Bare Duo B Mask can foot the bill. With its Revolutionary Push-Button Buckle for Easy and Quick Strap Adjustments, with Foldable and Flexible Buckle Attachment that Swivel with Facial Movement ensures a great Seal Regardless of the Diving Conditions. The Unique- Buckles also Absorb Shock, preventing Buckle Breakage when Mask is bumped. The Duo B Mask has a Double (Flanged) Feathered Edge Silicone Skirt and Wide Split Strap that combine for a perfect Fit on the Face. This Super Lightweight and Durable Mask is fitted with Tempered Safety Glass Lenses, is a Low Volume Mask with a Wide Field of View that is Easy-to-Clear. The Mask is equipped with a One-Hand Easy-to-Reach Nose Pocket for Ear Equalization that even works well with thick gloved hands. Mask is available Black Skirt with Multiple Color Ascents and is covered by a 24 month limited warranty.