With a 38dB signal-to-noise ratio, these foam earplugs block loud noises to protect your hearing, block out distractions while you sleep, and help focus while studying.SOFT - COMFORTABLE EARBUGS: Made of non-toxic PU material, the lightweight, dense and tapered foam earplugs ensure all-day comfort and protection in various work environments. No discomfort even if you sleep on your side.Easy to carry: The earbuds come with a storage box, which is easy to carry and can be used anytime, anywhere, and the earbuds are comfortable and easy to use. Reusable for up to 7 days.MULTIPLE USES: These super soft foam earbuds are great for studying, sleeping, shooting, flying, concerts, sporting events, fireworks, woodworking, lawn mowing, drilling and all noisy environments.PERFECT GIFT: This is the perfect gift for a buddy in need.Color: greenPacking list: 10pcs