27 dB reduction rating] These durable, reusable earplugs are made of soft silicone. They have a noise reduction rating (SNR) of 27 dB. Earplugs are non-toxic and won't harm your skin. Save a lot] Reusable earplugs will save you a lot of money when you stop using earplugs. disposable earbuds. These plugs are easy to insert and when worn correctly, they won't stick outside your ears. Suitable for a wide range of applicationsThese earplugs, from sophisticated appearance and comfortable to the touch, will greatly contribute to effectively protect your ears from noise. These earplugs can be used in many occasions, such as sleeping, concerts, studying, shooting, motorcycling, shopping, libraries, outdoor camping, etc. to protect your hearing. Beautiful packaging] The product includes a set of earplugs, four sizes of soft silicone earplugs (XS-L) and a practical tool box. Noise-canceling earplugs are an ideal gift to create a quiet environment for work, study and rest. Note] The earplugs are not completely soundproof, they do not only reduce noise. When wearing earplugs, you may hear high-pitched sounds such as knocking on the door, footsteps, and conversations. This is because complete soundproofing can lead to obstruction of the external auditory canal and damage hearing, which can be dangerous.