Snorkeling Fins:High quality and stylish looking.Lightweight for east of travel.Open heel design.Soft rubber foot pocket for comfortable fit with either socks or barefoot.Easy adjust strap with quick release buttons.Men's USA Size (Shoes): S/M(5-8.5 ), ML/XL(9-13) Women's USA Size (Shoes): S/M(6-9.5), ML/XL(10-14)2-Window Snorkel Mask:Fits a wide range of facial profiles. Ideal for medium to large faces.Crystal, liquid silicone injected skirt and strap.Double skirt edge comfort seal.Low volume.Easy-adjustable buckles and comprehensive swivel.Tempered glass for safety.Made in Thailand.Dry Snorkel w/ Signal Whistle: A 100% submersible dry snorkel features upper valve and hinged seal keeps water from entering the snorkel as in submerge; but allows air to easily enter snorkel for clean and unobstructed breathing as on surface. Specially designed cover guards against water splashing into the snorkel.Slip-in snorkel keeper with quick release retainer.Flexible silicone corrugated low section bends easily.Colored whistle housing to get attention.Pre-curved silicone mouthpiece, prevents jaw fatigue.Silicone one way purge valve not only keep water out from snorkel but for easy draining.