Ear Plugs for Sleeping Noise Cancelling 6 Pairs Comfortable Silicone Sound Blocking Earplugs Reusable Washable Earplugs. 30-35dBNoise Reduction Rating (NRR) noise reduction can protect hearing in loud events and can effectively reduce noise. FEATURES: Hearing Protection Noise canceling ear plugs designed for sleeping working studying concerts traveling hunting musicians and other noisy environments can protect your ears in noisy areas without hurting sound quality. Comfortable to Wear Made with softer and more flexible silicone material so these noise cancelling ear plugs can be worn all day/night long without any uncomfortable feeling. Ergonomic Design Our ear plugs are ergonomically designed the soft tips of the earplugs noise canceling conform to your ears shape for a comfortable and snug fit. Economical&convenient The high-quality silicone ensures that the noise canceling ear plugs can be cleaned safely when soiled. One purchase can be reused for many years very good value for money. PACKAGE INCLUDES: 1X Exquisitepackaging box 6 pairs X Noise Cancelling Ear Plugs. ( 1 formal pack and 5 replacement packs) 1 X Product manual