Ultra-wide 180 Field of View: Full face snorkel mask has a larger field of view than ordinary diving goggles, diving mask is very suitable for diving, swimming, snorkeling and other underwater activities, and you can enjoy a complete underwater world with a 180-degree field of view. Anti-fog and Leak-proof Design: Snorkeling mask is designed with an independent breathing chamber and a built-in floating ball design to prevent the opening, and then prevent salt water from entering your mouth. Separate inhalation and exhalation channels can prevent fogging. Note: Please tighten the elastic band so that it fits your face completely without leaving any gaps to prevent water leakage. Breathe Freely: The soft fabric headband makes snorkel mask easy to wear and prevents hair from tangling. Silicone rubber ensure more comfortable diving. A full face snorkel mask can eliminate the inconvenience caused by the breathing tube in the mouth. Inhalation and exhalation are divided into two channels to prevent drowning and allow your nose and mouth to breathe naturally under water. Foldable Snorkel: The snorkel of the snorkelling mask is designed in a folded shape, so you can save more space (you only need to align the snorkel with the interface and push it down). We also provide mesh pouches for easy carrying. Best Summer Gift for Children: Kids snorkel mask is designed with a cute cartoon image. Full face snorkelling mask is suitable for children from 4 to 11 years old to have their own cool ocean fun in the hot summer. (To Avoid Errors, please measure the distance between your child's nose and chin. This diving mask is suitable for a distance of 8.5cm to 10cm)