1. Dual-Function Waterproof Valve The waterproof valve automatically closes when submerged, ensuring a secure seal on the water's surface. This system features a fully dry anti-wave head, providing enhanced safety by preventing water from entering the airways while allowing for smoother breathing during waves. 2. High-Quality Silicone Strap Crafted from soft, food-grade liquid silicone, this swimming mask offers excellent elasticity and durability. The mask's adjustable buckles and flexible face skirt ensure a snug fit for various head sizes and shapes, providing maximum comfort during use. 3. Eco-Friendly Silicone Material Made from non-toxic, odorless silicone that is soft and comfortable. The frame is constructed from durable PC material that resists deformation, making it lightweight yet sturdy. The anti-slip buckle features a professional concave-convex design for easy adjustments and a secure fit. 4. Safety Hardened Glass Lens Equipped with a nose cover for effortless breathing control while swimming, this mask is ideal for users concerned about inhaling water. The precision-adjustable lens strap keeps the mask securely in place, preventing it from slipping during use. Use Scenarios: - Ideal for recreational swimming in pools, lakes, or the ocean where wave conditions may vary. - Perfect for scuba diving or snorkeling, allowing for easy breathing and clear visibility under water. - Great for competitive swimmers looking for a comfortable, reliable fit during training sessions. Whether you're a casual swimmer or an experienced diver, this mask combines functionality, comfort, and safety, making it a must-have for your aquatic activities.