Joywin Snorkel Mask Kids Sz XS with Latest Safety Dry Breathing System Our products apply a variety of safety technologies, and we are committed to ensuring children's safety and enjoyable snorkeling experience. The Latesd Advanced Safe Breathing System The latest Safety breathing system enables children to inhale fresh air more efficiently. The exhalation system exhausts all exhaust gas in the snorkel mask through two independent exhalation ports. The air inlet and the two air outlets are independent of each other, so oxygen and exhaust gas will not be mixed, which ensures that children can breathe safely, creating a better breathing experience for children. DryTop System At the top of the air inlet tube, the product has a safety floating ball. The floating ball is ensure that water will not enter the tube, combined with a tight waterproof structure, the anti-leak effect is excellent. Anti-Fog The product's air tightness and gas separation structure are very good, and the water vapor exhaled by the children will be completely removed from the exhalation system to prevent fogging. 180 Degree Mirror Optical Polishing The lens adopts a 180 Degree mirror optical polishing technology, and both the light transmittance and the sharpness exceed the general lens. Foldable and Portable Design The air tube and snorkel mask can be folded. Put them into the included storage bag, you can easily carry it anywhere. Safe Material and Design We use skin-friendly food-grade silicone for this product, safe, non-toxic and . The face part is ergonomically designed, which is well adapted to kids of various face shapes. Packing List: 1* Snorkel Mask 1* Camera Mount 1* Fixed Screw 1* Silicone Sealing Ring 1* Portable Storage Bag 1* User Manual Features Latesd Advanced Breathing SystemThe completely independent intake tube and exhaust tube completely separate the fresh air from the exhaust gas, and the exhaust gas and oxygen will not mix, so as to prevent children from getting dizzy due to inhaling the exhaust gas. Compared with ordinary diving masks, this latest system allows children to experience snorkeling for a longer time, provides children with a safer and smoother breathing experience. Dry Top Breathing SystemThere is a floating ball on the top of the air intake tube. When the top of the tube is submerged in water, the floating ball will float up and block the air inlet tightly, preventing children from choking water due to water entering the breathing system. Combined with a tight waterproof structure, the floating ball design makes the Anti-Leak function of this snorkel mask very reliable. 180 Anti-Fog Clear ViewThis snorkel mask is equipped with transparent flat lenses to eliminate all dizziness caused by distortion of the field of view. The "mirror optical polishing" process greatly improves the clarity of the mirror, allowing children to appreciate the 180 underwater world more clearly. The snorkel mask has a physical anti-fog system, the product's gas separation structure separates water vapor and prevents fogging. Safe Material and Ergonomic DesignThe wearing part of this product is made of Skin-friendly food-grade silicone and high-quality textile elastic band, which is non-toxic and environmentally friendly. The ergonomic design allows kids of various face shape to wear it comfortably. The scope of application of this product is that the distance from the child's chin to the bridge of the nose is 3.35 to 3.94 inches (10cm). Please measure the data before purchasing. Notice and After-Sales GuaranteeFor safety reasons, please do not let children go snorkeling alone. We do not recommend that you engage in vigorous exercise, please rest regularly to keep you strength enough. Try this product before long snorkeling to make sure it is suitable for you. If you have any questions or dissatisfaction with our products, please contact us, we will solve the problem for you or provide unconditional return. Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out within 1-business day and delivered to your doorstep as quickly as possible. Competitive Pricing With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. 30-day Money Back Guarantee We are committed to making sure that you leave this transaction satisfied. If you're unhappy with the product for any reason, you may return it back for your money-back or a replacement within 30 days. No questions asked!