Diving & Snorkeling Equipment Sets features: Scuba Mask Scuba Diving Goggles Anti-Fog for Adults and Youth Snorkeling, Freediving, Swimming(23x8cm)(Black) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Colour:black Size:23x8cm 1. It adopts advanced anti-+50uv ultraviolet explosion-proof high-definition tempered diving glass, the surface is not easy to scratch, safe and reliable, impact-resistant, scratch-resistant, shatter-resistant, and provides clear underwater vision and eye protection. The light transmittance is as high as 99%, and the lens is very clear. 2. Imported high-quality food-grade silicone is like a baby pacifier, tasteless, non-toxic, safe and non-allergenic, soft, flexible, resistant to twisting and not deforming 3. Strong cold and heat resistance, low shrinkage, high impact strength, strong compression resistance, abrasion resistance and freeze cracking, not easy to deform, odorless and tasteless, harmless to humans 4. The buckle adjustment design and the 180-degree humanized angle adjustment design are more comfortable, flexible and convenient. At the same time, it has a 90-degree folding design, which is convenient to carry, easy to store, not easy to damage, and takes up less space. 5. Soft silica gel: soft silica gel is used, which fits comfortably and is waterproof and sealed. No more leaks or discomfort. The soft silicone mask comfortably fits all kinds of adults and youth. 6. 180��panoramic anti-fog: advanced lens shape design, thickened toughened glass, and the latest anti-fog treatment, allowing you to have a crystal clear underwater experience without blur or distortion. The one-piece glass design provides a better and broader underwater view.