The Serene adult combo includes a Serene mask and a dry snorkel. The Serene mask gently conforms to the contours of your face. Constructed with crystal silicone, the Serene has been crafted for divers who want a wide field of view combined with a low volume design. The dry snorkel features TUSA Hyperdry Elite dry top technology (pat p) that stops water from entering into the snorkel, a drain chamber and purge valve for easy clearing, and hypoallergenic crystal silicone swivel and mouthpiece. Includes TUSA’s industry leading 3 year warranty.