Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Macks Aqua Block Soft Flanged Earplugs 2 pair Mack's AquaBlock pre-molded flanged earplugs are constructed of silicone and designed for super soft, super comfortable, waterproof protection. * 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