Check the listing for details. Ear Plugs for Sleeping Noise Cancelling, Soft Silicone Reusable Earplugs. Condition: New. Listed at 9.99 USD. Effective Noise Reduction: with a maximum noise reduction rating (NRR) of 33 dB, the noise cancelling earplugs reduce most noise, helping to protect your hearing and providing you with some peace in a noisy world. Soft and Reusable EarPlugs: the soft silicone material with good elasticity and memory is very comfortable to wear and can be reused after washing, saving you money to a large extent. Earplug Design: with 3-layer structure they block out most sound, universal adaptation, comfortable to wear, ergonomic design, better fit in the ear, not easy to fall off, can sleep with peace of mind. Easy to Carry with the Case: The pocket-sized earplugs with case are lightweight and can be carried anywhere, and not easily lost.It is very convenient to take out the earplugs and suitable for long-term wear. Multi-occasion Use: Our noise-cancelling earplugs can give you a quiet and comfortable night sleep or a quiet moment all to yourself in the hustle and bustle of the world - in construction, at home, on the range, studying, in the office and more.