180 Degree field of vision and shatterproof polycarbonate window for added safety. Free Breath design, easy to adjust size and comfortable with your face. Easy to Use and Pack: New design folding breathing tube easy to install & pack. Seal dry top snorkel system stops water entering through the top of the snorkel. Water drainage purge valve at the bottom of the mask to drain water when the head is raised. Descriptions: Made from qualified material for high strength and good durability. With adjustable elasticated textile strap for easy dressing. Suitable for underwater swimming, diving, snorkeling and other watersports. Specifications: Type: for kids Material: plastic and silicone S(for kids): inner: 17*13CM, outer: 23*19CM Color: blue Package included: 1 x Snorkeling Mask Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!