Features: Experience superior noise reduction with triple layer high transparency liquid silicone earplugs, effectively blocking up to 25-30dB of noise for industrial hearing protective in loud environments. Soft liquid silicone molds comfortably to ear canals with durability construction that resists deformation through extended wear and repeated use. Ideal for noise sensitive professional like construction workers, frequent commuters, and students requiring prolonged focus during study or travel. Perfect for blocking machinery sounds at workshops, reducing commute/train noise, and creating quiet zones for meditation, office work, or sleep environments. Includes compact carrying case for hygienic storage and portability, making these reusable earplugs essential gears for travelers, gym goers, and outdoor enthusiasts. Specifications: Component: liquid silicone + memory foam Size: 17mm, 20mm Styles:As Picture Shown Color: purpleness, pink, green, orangeness Practicality: Suitable for various noisy environments, such as industrial production workshops, construction sites, concerts, to effectively protect hearing. Package Includes: 1 Pair Noise Cancelling Soft Silicone Earplugs 1pcs Storage Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.