Key Technical Features………………Silicon Skirt: The mask uses a flexible, clear silicone edge to provide a secure, watertight seal against the face……………………………………………………… Securit Glasses: Constructed with tempered safety glass lenses for enhanced clarity and impact protection underwater.Anatomical …… Purge Snorkel: Features a curved, ergonomic tube section and an integrated bottom purge valve to quickly drain clearing………………………… Please see photos for description and condition……………………………………………… UK shipping only…………………………………. Payment to be made within 24 hours of auction ending……………………………… No returns accepted so please feel free to ask any questions before purchasing please have a look at my other items for sale. and thanks for looking.