The Ear Band-It?Ultra is brought to you by the makers of the Original Ear Band-It?headband, the ORIGINAL swimming headband. Developed by a board certified Ear, Nose & Throat Physician and designed to keep water out of the ears, providing maximum comfort and safety while swimming and bathing. After 20 years of development we are proud to introduce the new and improved Ear Band-It?Ultra! EXTRA GRIP! Made with a custom inner lining that provides extra grip to avoid slipping off the head. Also made of a much more soft and comfortable neoprene material. Water enthusiasts of all ages will also appreciate using the Putty Buddies?earplugs (sold separately) and Ear Band-It?Ultra headband in the prevention of swimmer's ear. Size SMALL: Recommended for ages 1 to 3. Fits head size range 16"-19" Size MEDIUM: Recommended for ages 4 to 9. Fits head size range 17"-21" Size LARGE: Recommended for ages 10 to Adult. Fits head size range 20"-24" KEEP WATER OUT, HOLD EAR PLUGS IN! Use with your own earplugs and ear molds or with our Putty Buddies?soft silicone moldable ear plugs (sold separately). Putty Buddies?are the best swimming earplugs on the market.