Moon is a masks for kids aged 7 to 15. It's ideal for swimming, the pool, and snorkelling. Shatterproof lenses with scratch-resistant treatment. Indestructible buckles with micrometric adjustment. Option to instantly replace the buckle/strap unit with other models from the cressi line. Modern, small snorkel, designed specifically for women and young people. The tube is made from a transparent, flexible material. The quick-release, technopolymer retaining clip system is height adjustable. The top end of the tube ends with a modern splash-top to prevents water from entering the tube even in rough water. The angled mouthpiece is designed for extreme comfort even during extended use. It has a large internal elliptical valve at the bottom for improved drainage.