Features - 10 pairs of the corded hearing protection ear plugs in one set will be sold together. - Cord color: mainly blue. - Material: durable soft silicone. - Cable length: about 65cm. - NRR (Noise Reduction Rating): about 25dB. - 100% brand new and high quality Soft Silicone Corded Ear Plugs Reusable Hearing Protection Earplugs. - Made of soft and snug silicone for noise reduction and providing you better hearing protection. - Noise reduction for work, home, sleeping and safety. - Washable and reusable design, and easy to use. -------------------------------------------------------- Package Including 10 * Pairs of Soft Silicone Corded Ear Plugs Reusable Hearing Protection Earplugs (Blue)