This listing is for ONE snorkel set ANTI-FOG & NO LEAKING - Anti-fog coating keeps the lens clear even underwater, thick soft eye skirs and elastic head strap ensure no leaking and comfortable. CLEAR LENS & PANORAMIC VIEW - Tempered glass lens provide clear and wide vision, designed for snorkeling, scuba diving and swimming. CONVENIENT & ADJUSTABLE - High elastic head strap, press the strap buckles to adjust strap easily. Suitable for childrend from 4 to 15 years old and adults with narrow faces. SAFE MATERIAL - Food grade soft silicone for mouthpiece and eye skirts, advanced tempered glass for mask lens. IDEA FOR EXPLORE UNDERWATER - One-way dry top snorkel allows you to breathe safely and easily underwater, diving mask provides you clear vision, you can explore the underwater world with confidence.