1.Comfortable Fit: Designed with soft silicone and tempered glass for skinfriendly use, ensuring no leakage and excellent comfort for long hours of snorkeling or diving. So you can enjoy underwater exploration without discomfort or irritation. 2.AntiFog Technology: Features advanced antifog coating on the lenses to keep your vision clear underwater, preventing fog buildup. So you can see marine life and underwater scenery clearly during all your snorkeling and diving adventures. 3.Adjustable and Secure: Equipped with a fully adjustable strap for a suitable fit on men, women and teenagers, ensuring a secure seal that prevents water from entering your eyes while providing maximum comfort for various head sizes and shapes. 4.Sturdy and Safe Materials: Made from highquality silicone and tempered glass, which durability for snorkeling and diving activities, guaranteeing longlasting performance for all your underwater exploration.