The Marea & Gamma is a perfect solution for average snorkelers and scubadivers. The Marea is made in 100% silicone to assure comfort and perfect seal.It is a multi-use mask suitable both for use on the surface and in-depththanks to the small inner volume and the soft nose pocket for compensating theair pressure. The Gamma features a waveguide that minimizes water entry whileswimming. Additionally featured are a flexible tube section and silicone flexattaching the tube to the mouthpiece. The mouthpiece is made of comfortablecrystal clear silicone and is replaceable. A large exhaust valve ensureseffortless water clearing.The Marea & Gamma is designed and manufactured inItaly by Cressi, a brand pioneer in scuba diving, snorkeling and swimmingequipment since 1946.The product is covered by a 2-year limited warranty.