This is the Oceanic DUO Silicone Skirt Comfortable Scuba Diving Mask Features: 2 Window Low Profile Design Tempered Glass Lenses Reversed Teardrop Dual Lens Design Expanded Downward View Low Volume Design Extremely Comfortable Fit 100% Silicone Skirt Double Feather-Edged Skirt Wide Split Style Silicone Strap Feathered Skirt & Wide Strap Design Combined for Perfect Seal On-Face Easily Adjusted Rotating Swivel Buckles Easy-to-Reach One-Hand Nose Pocket for Ear Equalization Available in Multiple Colors Protective Mask Box Solid and rugged yet friendly on the bank account the Duo is a sturdy entry-level mask for beginners who crave top performance at a reasonable price point. A 100% silicone skirt & double-feathered edge guarantees a comfortable, dry seal and tempered safety glass provides a broad field of view. Rotating strap buckles make for easy adjustment. It's reversed teardrop dual tempered safety glass lens design and easy to reach nose pocket allows for easy ear equalization and places the lenses closer to your eyes increases your visual clarity and field of view. The low-profile design means you'll experience less drag and increased comfort at depth.