- Eco-friendly silicone gel: Non-toxic, odorless, soft, and comfortable. The PC frame is resistant to deformation, providing strength and lightweight durability. The anti-slip buckle features a professional concave-convex design for easy adjustments, ensuring a secure fit and preventing slips. - Safe tempered glass lens: This diving mask includes a nose cover, ideal for users who prefer to breathe through their nose while swimming. The adjustable knob allows for precise fitting of the lens strap, preventing it from falling off during use. - Silicone strap: Offers excellent elasticity and durability, crafted from healthy, safe materials. The swim mask is made from soft, food-grade liquid silicone, making it both eco-friendly and safe for use. The easily adjustable mask buckles and flexible facial edge are designed to fit a wide range of face shapes and head sizes comfortably. - Two-way waterproof valve: This innovative valve automatically seals when submerged, effectively preventing water from entering the mask. The fully dry anti-wave head system ensures a safer breathing experience, allowing you to stay calm and focused even in choppy waters. Use scenarios: 1. Ideal for recreational swimming at the beach, allowing you to breathe naturally while enjoying the water. 2. Perfect for scuba diving or snorkeling, providing a reliable seal and clear vision underwater. 3. Excellent for competitive swimmers looking for a comfortable and secure fit during training sessions. Experience the perfect blend of comfort, safety, and functionality with our advanced diving mask, designed to enhance your aquatic adventures.