Keeps water out of ears and holds earplugs in Ultra version has better grip, comfort and strength than the original Ear Band-It Made of 100% super soft neoprene with Grip-Tek neoprene inner lining Adjustable Velcro closure Helps prevent swimmers ear Ideal for those with ear tubes and ear perforations Ultra version is NOT reversible Available in 7 bright colors and 3 sizes (see chart to select appropriate size)