Pre-molded flanged silicone earplugs designed for ultra soft, ultra comfortable, waterproof protection. Mack’s® unique triple flange design allows for a more customized fit, which increases its sealing ability and improves wearer comfort. Doctor recommended to seal out water, Mack’s® AquaBlock® Clear Earplugs help prevent swimmer's ear and surfer's ear. Shatterproof carrying case included. (1 pair)