- Eco-Friendly Silicone: Made from non-toxic, tasteless, and comfortable material. The durable PC frame ensures no deformation while remaining light and strong. The anti-slip buckle features a professional concave-convex design for easy adjustments, making it slip-resistant and secure. - Soft Silicone Band: Designed with excellent elasticity and craftsmanship, our swimming mask utilizes food-grade liquid silicone that is safe and environmentally friendly. The mask’s adjustable buckles and flexible facial rim are expertly crafted to fit various face shapes and head sizes comfortably. - Safety Hardened Glass Lens: This dive mask includes a nose cover, ideal for users who prefer breathing through their nose while swimming. The precision adjustment feature for the lens strap prevents accidental slips and ensures a snug fit. - Two-Way Waterproof Valve: With an automatic closing mechanism when submerged, this safety valve effectively prevents water intake. The fully dry wave head ensures an automatic water stopping system, allowing for calmer breathing even in choppy conditions and keeping the airways clear from water. Use Scenarios: 1. Perfect for recreational swimming, this mask allows for a comfortable breathing experience, making it ideal for long sessions in the water. 2. A great choice for snorkeling adventures, as the anti-slip features and secure fit ensure that you can explore underwater without worry. 3. Suitable for various water activities, from surfing to diving, this mask provides reliability and safety, accommodating different water environments.