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. Quality Twin Lens MaskRevolutionary Push-Button Buckle for Easy and Quick Strap AdjustmentsFoldable and Flexible Buckle Attachment that Swivel with Facial MovementGreat Seal Regardless of Diving ConditionsLow Volume Mask DesignDouble Feathered Edge Silicone SkirtWide Split Strap DesignFeathered Edge & Wide Split Strap Combined for Comfortable and Perfect Seal on FaceHighest Quality Tempered Safety Glass LensesOne-Hand Easy-to-Reach Nose Pocket for Ear EqualizationSuperior Field of View The Phantom Aquatics Semi Dry Flex Snorkel"s Streamline Oval-Shaped Bored Tube and Lower Flex Tube combined to make this Snorkel perfect for Scuba. The Lower Section Flex Tube Automatically-Swings Out-of-the-Way when you are using your Scuba Regulator. Snorkel has a Splash-Proof Dry Guard that virtually eliminates Water Intake through the Top of the Tube. Swim through Wind and Wave Spray without interrupting you breathing. If any Water enters the Snorkel Tube it can easily be Blown-Out with the Easy Purge Systems One-Way Valve with Extra-Large Self-Draining Chamber at the Bottom of the Snorkel Tube. Streamlined Oval-Shaped BoreSplash-Proof Dry Guard Virtually Eliminates Water IntakeQuick Release Buckle Detaches with Single-Handed ActionEasy Purge System with Extra Large Self Draining ChamberAngled Mouthpiece for ComfortExcellent Flex Tube SnorkelFlex Tube Swings Snorkel Mouthpiece Out-of-You-Way on Scuba