Sea-Doo Adult Aquatics Snorkel Set Large/XLargeSet includes mask, snorkel and adjustable fins Mask has tempered glass that meets ANSI standards Has a silicone skirt and strap for a soft comfortable fit during prolonged usage and for a watertight seal Excellent underwater vision Quick adjust strap just pull strap to tighten and push button to loosen, flexible hinge for increased comfort Snorkel has full silicone mouthpiece to reduce jaw fatigue, a splash guard top to ensure no water gets in and a large exhaust purge valve for easy water clearing Snorkel easily attaches to the mask Fins, high efficiency flow channels - reduced drag, creating lift in the forward direction to propel you ahead Flexible foot pocket that comfortably adjust to feet Includes mesh carry pouch Fits sizes 9 to 13