Easy to Use and spacesaving design: Takes up less space and allows adults and kids to easily take off quickly and put on easily in an emergency. Please note: Do not snorkel alone. Silicone Strap and fit: Good elasticity, durable workmanship, and healthy, safe materials. The mask uses soft foodgrade liquid silicone and is environmentally friendly and healthy. adjustable mask buckles and a flexible face skirt are engineered to fit virtually any face shape and head size. Environmentally friendly silica gel materials and construction: Environmentally friendly silica gel, nontoxic, tasteless, soft and comfortable. PC frame: no deformation, stronger and lighter. Antislip buckle: professional antislip concaveconvex design, easy to adjust, antislip and antifalling. Comfortable to wear: Adjustable and comfortable, with design that prevents hair from getting caught when disassembling and adjusting. Use scenarios Family pool sessions: Suitable for both adults and kids due to adjustable fit and compact design, making swaps and sharing easy during beginners' swimming practice. Beginner snorkeling or swim training: Quick to put on and take off, aiding confidence and practice in exploring underwater while staying comfortable. Travel or backup gear: Lightweight, spacesaving design helps you carry or store it as a spare mask for trips to beaches or pools.