UrbanBasics pre-molded flanged earplugs are constructed of silicone and designed for ultra-soft, ultracomfortable, water protection. They have a unique triple flange designed for a more customized fit, which increases its sealing ability and improves wearer comfort. UrbanBasics earplugs are great for swimming, showering, surfing, bathing, water sports and help to prevent swimmer's eat and surfer's ear. Also, they are washable and reusable for extended wear.