Rocks Kids Set is Cressi's answer to the price conscious parents who need reliable snorkel equipment for their kids for vacation use. We offer with this line the solution for adventurous kids who need decent quality for all day use in the pool or in the ocean. The Rocks Mask lenses are made from tempered glass and the dual window design provides excellent and a wide field of vision. Mask has an easy-to-reach nose pocket for ear equalization. The snorkel features the splash guard designed to prevent splashed surface water from entering inside the snorkel barrel. The soft and replaceable mouthpiece, in combination with the flex tube section, allow for hours of comfortable snorkeling fun. The one-way purge valve below the mouthpiece allows and water in the tube to drain-rapidly. The snorkel comes complete with an easy-to-use snorkel keeper for attachment to the mask strap. Soft and comfortable vented open heel foot pocket with easy to adjust buckles designed to follow the kid's growth. The strap has a Quick-Release Easy-Adjust buckle with large-thumb-loop for easy donning and doffing. Dual composite vented blades provide excellent power and energy saving efficiency. The product is designed in Italy by Cressi and made in China. Cressi has been a brand pioneer in scuba diving, snorkeling, and swimming equipment since 1946. The product is covered by a 2-year limited warranty.