The is a single-lens scuba diving mask in a classic retro oval shape. This classic retro-style freediving mask is the remake of the popular dive mask in the '50s. It features a scratch-resistant tempered glass for both clarity and safety, and a rubber skirt and strap for great seal and comfort. The comes with easily adjustable buckles. Great underwater photography mask, a favorite among diving traditionalists. A classic mask for freedivers lovers but perfect also for scuba diving. Name:Diving Glasses Adaptation range:snorkeling diving Suitable for the crowd:young grown up Now equipped with anti-fog film, please gently tear off the first layer of protective film of the inner tempered glass before use, the second layer of German anti-fog film has been attached to the diving mask. Please protect the mask well during future use, Strengthen the hardness of the window glass of the mask, so that it is not easy to be during portation and use. The newly improved version of anti-fog treatment, the effect is good, and the duration is long Notice: The style of applying anti fog film can only prevent fogging, mainly due to the breathing habits of the diver themselves, Since diving is a high-risk industry, you must go to a formal training institution for training and learning before diving, training, or sightseeing. (important) Colour:Black Material:pvc+stainless steel+tempered glass Size:One Size (Face WidthGreater than 12CM) Package Contents: 1 * Dive Snorkel Mask Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.