Features: Experience superior noise reduction with our portable earplugs, offering up to 37dB of sound isolation to help you concentrate on work and study without distractions. Crafted from high elasticity foam, these earplugs ensure a tight fit for best comfort and effective sealing against ambient noise. Ideal for students, professionals, and travel , these earplugs cater to anyone search peace in noise environment. Perfect for various situations such as studying, working, traveling, or sleep , providing comprehensive noise protections wherever you . designs for repeated use, these earplugs combine functionality with a , modern look, making them a must get accessory for noise protections . Specifications: Material: foam Size: about 13x25mm/0.5x1inch Type: with cable/without(optional) Noise reduction: NRR: 29dB SNR: 37db Package Includes: 10 Pair Foam Earplugs note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.