The Thermotech ™ youth/adult snorkeling set is made of quality materials for durability and lasting use. Includes tempered glass lens goggles, dry top snorkel with purge valve and adjustable fins. Goggle size: youth/adult, fin size: 9-11. Comes with a backpack-style mesh bag. Suitable for ages 7 years and up. Use only under competent adult supervision. Youth/adult Tempered glass lens  Adjustable fins Ages 7 and up # Pieces In Set: 4 Measurements: 6 Length/Inches Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} WARNING: CHOKING HAZARD – small parts. Not for children under 3 years.