This is the IST SN205 Kid&';s Dry Top Snorkel for Scuba Diving and Snorkeling Features: DRY TOP TECH - Baffle system and float valve keep water out of the tube. FLEX TUBE - Corrugated bottom allows it to fall away when not in use. SOFT COMFORT - Hypoallergenic, flexible mouthpiece includes bite tabs. EASY PURGE - One-way purge valve & purge reservoir ensures easy breathing. 4 FUN COLORS - Available in four sporty color combinations for a fun, playful look. The IST Kids Dry Top Snorkel is the ultimate choice for young beginners and first-timers exploring underwater. The anatomically curved design has a wide air tube and a flexible, corrugated bottom that falls away from the face when not in use. The baffle system and float valve keep water out of the tube, while the easy-purge valve makes it quick and simple to purge.