Intex Reef Rider Sports Set for Age 8+, Features Reef Rider Mask, Free-Flo Snorkel and Medium Super Sport Fins Shoe Size 5 to 8 Mask has an improved soft hypoallergenic facial skirt Snorkel has a soft and flexible mouthpiece Fins - Thermoplastic rubber show for extra soft comfortable shoe fit Swim gear that is fun, colorful, and design oriented for kids Hours of use.