Full Foot Snorkeling Fins: Full Foot Light Weight Snorkeling Fins for kids. Fins designed for snorkeling and swimming. Durable Ethylene Vinyl Acetate fin blade. Soft Thermo Plastic Rubber foot pocket. FITS KIDS' SHOE SIZE: 1-3 (XXS) ; 3-5 (XS). Purge Mask: Low point purge valve allows for easy purging of excess water form mask. Patented channeled skirt design to direct purged bubbles away from view. Special skirt design on nose pocket to equalize friendly and easily the pressure. Easy-to-adjusted silicone mask strap. Over-molded soft frame offers comfortable texture. Ultra-Low volume single lens design offers excellent visibility. Foldable buckles for compact storage. The 2-Button buckle is extremely user friendly and easily. Tempered glass lens for safety. 100% Dry Snorkel: A low-profile valve automatically seals upon descent to create a totally dry snorkel. Child-sized soft silicone mouthpiece. Ergonomic contoured barrel design to fit youth and small adults. Snorkel keeper secures mask strap in place. Silicone purge valve for easy draining.