Enjoy a Quiet Environment- Block noise to protect hearing, eliminate distractions while you sleep and help you focus while studying. Soft and Comfortable- The lightweight, tight, the tapered PU foam ear cups provide all-day comfort and protection in a variety of noisy environments, and soft foam provides maximum comfort. Hearing sensitivity, ear size are very individual characteristics. Please check the size of this earphone to fit your ear canal before purchasing. 60 pairs of foam earplugs- Each bottle contains 60 pairs of earplugs in random colors, fully meeting your needs. A good size to fit most ear canals. Be sure to replace the ear tips with new ones within 4-6 days to keep the ear canal clean. 38dB Noise Canceling Headphones - Noise reduction level up to 38dB. Perfect for sleeping, easily isolates unpleasant noise from the environment and effectively suppresses snoring, traffic noise at night and noisy neighbors. Wide Use- The foam earplugs are suitable for sleeping, studying, shooting, flying, concerts, travel, relaxing, motorcycling, recording sports, home renovation or other noisy outdoor activities. They are great noise suppressors for your daily life.