The 3M Earplugs offer excellent protection for your ears, effectively reducing noise from external sounds. They are ideal for preventing the effects of exposure to loud or prolonged sounds, protecting your hearing. These earplugs are not only useful for people with hearing problems, but also for those who wish to enjoy quietness, especially during sleep that may be disturbed by noise. With 5 pieces in the package, they meet your needs for daily use and effective protection.