Features: High quality earplugs are waterproof and environment-friendly, safe and comfortable to wear. Noise reduction up to 27DB, effectively reduce noise and protect your hearing. Capable of assisting to effectively improve your sleep quality to the maximum extent. The earplugs can be rubbed to keep soft and form a conical shape fit for your ear contour. Extensively applied in swimming, sleep, mechanical and electrical work, leisure place, etc. Specifications: Condition: Brand New Material: Wax cotton wool Color: Noise Reduction Rating: 27DB Package Weight: Approx.36g 1.3oz Package List: 8 Pairs of EarplugsExtensively applied in swimming, sleep, mechanical and electrical work, leisure place, etc. The earplugs can be rubbed to keep soft and form a conical shape fit for your ear contour. Capable of assisting to effectively improve your sleep quality to the maximum extent. Noise reduction up to 27DB, effectively reduce noise and protect your hearing. High quality earplugs are waterproof and environment-friendly, safe and comfortable to wear.