Promate Snorkeling Gear Scuba Dive Panoramic Mask DRY Snorkel Set (9980) Package includes Three-lens scuba purge mask, dry snorkel. Promate Three-Lens diving PURGE Mask/MK399 with edgeless side view windows: Built-in purge with one way valve for your preference and safety, and channeled skirt design directs bubbles away from view. Promate Dry Top Snorkel with Built-in safety whistle housing/ SK680: pre-curved silicone mouthpiece, quick slip-in snorkel keeper About Shipping and Handling Charge including Tax, please check the Shopping Cart during checkout. Free shipping may apply ONLY in some circumstances. About Shipping and Handling Charge including Tax, please check the Shopping Cart during checkout. Free shipping may apply ONLY in some circumstances.