High Quality - The earplugs are made of PU material, soft and comfortable, won't hurt your ears. They can be reusable. Easy to Wear - The earplug material is a kind of memory sponge material, which can restore its original state gradually after pressing to help you wear earplugs easily. Noise Reduction - The SNR of foam earplugs is 31dB, which can effectively block out a lot of annoying noise and protect your hearing. Portable - Each pair of noise reduction earplugs is equipped with a plastic storage box, a total of 8 pairs. They can easily put in your pocket or bag. Wide Application - Using soft foam earplugs can help you avoid interference while sleeping and improve your concentration while studying. They are also suitable for shooting, flying, woodworking, vacuuming, mowing, drilling or other noisy environments. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and images, please forgive me.