The Saturn Combo is all you need for your next snorkeling adventure. This no-frills mask and snorkel combo will have you out exploring the reefs in no time. The shatter-resistant lens will stand up to the toughest wear and tear, while it's anti-fog treatment will make sure you can see clearly underwater. Now go out there and explore! Shatter-resistant PC lens provides durability and clear vision. Anti-Fog for ultra clear vision. One-way purge valve allows for easy clearing.