"Compatible with Discord, Rumble, and Rebel lines of earbuds.Experience the perfect blend of comfort and protection with Elgin’s Fusion Ear Tips. Designed to enhance your workday, these innovative silicone hybrid ear tips combine the softness and flexibility of silicone with the superior noise-blocking performance of memory foam. The result? An unparalleled Noise Reduction Rating (NRR) of 31 dB when used with Elgin’s Discord, Rumble, and Rebel Bluetooth Earbuds—offering the highest level of hearing protection in the industry.Highlights:Industry-Leading Noise Reduction: Achieve an OSHA-compliant NRR of 31 dB to safeguard your hearing in noisy environments.Ultimate Comfort: Enjoy a secure, pressure-free fit with the hybrid design that molds effortlessly to your ear.Built for Compatibility: Specifically engineered for Elgin’s Discord, Rumble, and Rebel lines of Bluetooth earbuds.Each pack includes 1 pair of ear tips. They are available in small, medium and large sizes.Depending on your work environment, we recommend replacing your ear tips every 1 to 2 months to ensure optimum hearing protection and cleanliness.Please note - For health and safety reasons, opened packages of this product are not refundable.  *Not compatible with our Ruckus Wired and Wireless line of earbuds."