This is the IST UNO Kid&';s Single Lens Mask for Scuba Diving and Snorkeling Features: Single-lens mask in a classic shape, sized for kids Durable, high impact plastic frame with quick release, swiveling buckles Tempered glass, scratch-resistant lens for clarity and safety Silicone skirt and easy-adjust strap for fit, great seal and comfort Available in multiple colors This classic-style mask features a single scratch-resistant, tempered glass lens for maximum safety and clarity. The comfortable silicone skirt and easy-adjust straps make for a comfortable fit and reliable seal. Quick release, swiveling buckles make the mask easy to fit and fast to take off or put on.