Reusable ear plugs that you can keep with you for quick noise reduction on the go. Top-quality hearing protection you can keep in your pocket. NRR 27 reusable ear plugs from Stihl feature multiple layers of air cushioning for superior noise reduction and long-lasting comfort. Their tapered design provides a secure seal that keeps you protected almost anywhere from the shooting range to the job site. And thanks to the included nylon cord and carrying case, you can keep your ear plugs handy for the long haul.