1、Anti-fog: Avoid fogging inside the lens, exhaling from the nose, the crystal clear tempered glass lens mask has been anti-fog treatment, helping you to see the tiniest things in the water, the line of sight is clearer. 2、Large field of view: large lenses, wide field of view. 3、Impact resistance: The PC lens is sufficient to withstand the pressure of water. Prevents accidental scratching of the lens and maintains high definition. 4、One size: Adjustable headband and high-grade soft silicone face for almost any face type, and provide extra support to ensure a waterproof seal. 5、Suitable for water sports such as diving, freestyle, swimming training, etc. 1 x diving mask Product Name: diving mask Material: PC, silicon Function: anti-fog, waterproof, large field of view, high-definition vision Size: One size (the headband can be adjusted, the silicone soft surface can be deformed, suitable for various head shapes, face types) Application scenarios: water sports such as diving, freestyle, swimming training