Phantom Aquatics Signature Master View Mask Dry Snorkel Set Perfect for the novice to the experienced snorkeler, 100% Dry snorkel Large, silicone purge valve for easy clearing of residual water Quick release snorkel retainer for Quick attachment or removal Smooth-bore, silicone flex tube, soft, comfortable silicone mouthpiece Unsurpassed panoramic vision, beveled and bonded tempered lens, comfortable, double feathered silicone skirt