- Experience crystal-clear, distortion-free vision with the HJKB visor, expertly designed to maximize your field of view while snorkeling or diving. - The unique I-shaped waterproof exhalation pipe features a spiral pattern, providing 50-degree waterproof protection. Its specialized one-way valve ensures optimal performance for deep dives, keeping you dry and secure. - Our snorkel mask allows for comfortable breathing through both your nose and mouth. The independent outlet one-way valve guarantees a steady supply of fresh oxygen, eliminating exhaust gases for a quiet and enjoyable experience. - Equipped with a cutting-edge anti-fog film, the HJKB snorkel mask offers up to 15,000 hours of fog-free visibility, ensuring your line of sight remains clear throughout your aquatic adventures. - Ideal for recreational snorkeling, deep-sea diving, or underwater exploration, this mask enhances your experience by providing reliable performance in various water conditions. - Made with high-quality materials, the HJKB mask is designed for durability and comfort, ensuring a secure fit for a wide range of face shapes and sizes. - Whether you're a beginner or an experienced diver, the HJKB snorkel mask is your go-to solution for clear visibility and efficient breathing underwater.