Dual-purpose earplugs reduce noise and seal out water. Dual-material design provides a unique combination of super-soft seal rings for unmatched comfort and a stiffer inner core for ease of insertion. Detachable cord allows user to conveniently hang the earplugs around neck in environments where noise comes and goes. Washable and reusable. Great for power tools, swimming, loud concerts, shooting sports, motor sports, etc. Includes storage case.