• Soft PU material (polyurethane): lightweight, dense, and tapered foam earplugs made of soft PU material that provide comfort and protection throughout the day in a variety of work environments. • Efficient hearing protection: equipped with an SNR of 38 dB to suppress loud noise, protecting hearing, eliminating distractions while sleeping, and promoting concentration during learning. • Practical 60 pairs: the package contains numerous earplugs with reusable properties that can protect your hearing for a long time. Earplugs should be kept clean and undamaged. • Small portable aluminum can: protects earplugs from moisture, dust, and dirt. Each bottle contains 60 pairs of earplugs. Suitable size, perfect for most ear canals. • Multiple uses: ideal for learning, sleeping, flying, concerts, sporting events, fireworks, monster jam, woodworking, vacuuming, mowing, drilling, and all noisy environments.