Mack's AquaBlock pre-molded flanged earplugs are constructed of silicone and designed for super soft, super comfortable, waterproof protection.
The Unique Flex Stem and triple flange design allow for a more customized fit, which increases sealing ability and improves wearer comfort.
Pre-molded silicone will not deteriorate like similar earplugs made of plastic.
Helps prevent swimmer's ear and surfer's ear. Washable and reusable for extended wear.