Features: Experience professional noise cancellation with these industrial strength earmuffs, featuring advanced insulation to block up to 30dB of noise from machinery, traffics, while maintaining a comfortable fit for prolonged wear. Engineered with ABS construction and adjustable headband, these hearing protectors combine soft memory foam cushions with ergonomic ear cup design to ensures pressure less comfort across various head sizes during extended use. Ideal for factory workers, focused students, light sleepers, and frequent travelers seeking reliabled hearing protective against environmental disturbances in workplaces, study areas, or residential settings. Perfectly adapts to high noise environments like construction sites, manufacturing floors, and busy offices while serving as essential tool for concentration during study or peaceful sleep in noisy households. Its foldable design enables compact portability for on the go protective, featuring reinforced hinges and sweat resistant padding to withstand daily wear while maintaining consistent noise reduction performances over years. Specifications: Component: abs Noise reduction value: 30dB Width: Approx.15cm/5.91inch Scene: Study/Sleep/Travel/Racing/Entertainment/Work Package Includes: 1pcs Noise Cancelling Earmuffs note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.