The National Geographic Snorkeler Explorer Series is of the highest quality and ideal for extended range and more serious snorkelers needs. The VAYA Set mask has a CE – Tempered lens for safe, distortion-free clarity. The hypoallergenic 100% silicone feathered edge mask skirt seals comfortably and distributes sealing pressure. The pliable non-feathered nose piece allows for ease of equalization and mask clearing. The Viva Snorkel has an orthodontic-designed replaceable mouth piece to avoid jaw fatigue and is also made of hypoallergenic 100% silicone. It is easy to mount the snorkel tab to secure snorkel to mask. The wide bore tube allows for proper air displacement and exchange. Pro Match Pro Fit components insure for properly sized components to accommodate the widest range of snorkelers. Viva Dry Snorkel has become an industry standard. The National Geographic Snorkeler “Carry Bag” can be comfortably used to carry your Snorkeler equipment to and from your water based activities, time and time again!