A protection sleeve for regulator / snorkel mouthpiece.  A highly recommended accessories if you are using a shared / rental gear. Reusable, FDA approved, and 100 % recycled silicone. WHY WEARING A SNORKLEAN IS A MUST? Using rental regulator or mouthpiece may be an easier and cheaper option, especially if you do not snorkel on a daily basis. But there's no certainty if the diving equipment is thoroughly cleaned and disinfected. And since there are plenty of infectious diseases that spread through saliva (such as herpes, mouth sores, gingivitis, influenza, hepatitis C, etc.), it's of vital importance that you use a protective gear that can help prevent these diseases. SNORKLEAN is tested and recommended by professional divers across the globe. It is small, but it can make your diving experience fun and epic while keeping diseases at bay. Give it a try now! We are 100% FDA-approved! Get one now before you book your next snorkeling escapade. Read more about the product at Snorklean website.