Snorkel Fins: High quality and stylish looking. Lightweight for ease of travel. Open heel design. Soft rubber foot pocket for comfortable fit with either socks or barefoot. Easy adjust strap with release buttons. Men's fin size: S/M(6 to 9), ML/XL(9 to 11) Women's fin size: S/M(7 to 9-1/2), ML/XL(9-1/2 to 12). 2-Window Scuba Mask: Slim frame and elegant Design Newly designed Easy-Adjust-buckle system with push button adjustment and all direction swivel functions. Extra wide and long lenses provide wider peripheral view and downward vision. Ultra-Low volume design offers excellent visibility. Foldable buckles for compact storage. Double edge comfort seal. Tempered glasses. Dry Snorkel w/ Signal Whistle: A unique, 100% absolute dry design -- Patented upper valve keeps water from entering the snorkel. Allows air to easily enter snorkel for clean and unobstructed breathing. Specially designed cover guards against water splashing into the snorkel. When the dry snorkel is submerged in water, the patented hinged seal reacts to seal the snorkel, preventing water from entering. As you surface, the hinged seal swings open allowing air to enter. Built-in whistle housing. Quick slip-in snorkel keeper. Pre-curved flexible silicone corrugated low section. Pre-curved silicone mouthpiece, prevents jaw fatigue. Silicone purge valve for easy draining.