The National Geographic™ Snorkeler Marlin 1S Mask Considered to be more than ample for the snorkeler and could easily be utilized for entry level diving activities. Please remember take only pictures and remove only memories from our earths waters!
MASK Lenses—CE-tempered Frame—lightweight Delrin™ and plastics Mask Skirt—feathered-edge seal Nosepiece—pliable and nonfeathered for ease of draining Mask Strap—FLexible and replaceable with 3PH™ (3-Point Hold) Mask Strap Adjustment—RQL™ (Ratchet Quick Lock)