Sold as a single seal. Must be securely mounted directly to a Drysuit. Worn by divers wanting to keep their heads dry or for contaminated water conditions. Required attachment products necessary for proper dry operation are sold separately. Hood may also be worn as is for non-dry abrasion protection if desired. Around the face can be trimmed for custom fit Highly flexible and has a long lifespan Manufactured with quality Latex rubber material Always rinse latex products with fresh water after each dive - to remove sand and prevent salt crystals to form. The best care for all latex products that are exposed to oil, human body fat and sweat is to wash thoroughly in lukewarm soap water, rinse and dust with talcum powder. Avoid heat and sunlight exposure. Store in a dark and cool environment. Standard Latex Flanged hood for use on repairs for Drysuits, Sailing or Kayaking suits. Replace a leaky seal to maintain a warm, dry and safe suit - don't let a leaky drysuit ruin your dives! This high quality, inexpensive replacement part can have your suit working like new!