Features: Experience up to 30dB noise reduction with reusable soft silicone ear plugs that perfectly on your ear canals for comfortable wearing and sound isolation. Crafted from silicone, these water resistant noise reduction earplugs feature round shape designs that lasts twice as long as traditional foam earplugs. Suitable for students, adult, men, owmen, office workers, and noise sensitive individuals including children and elderly users in noise environment. Widely used for during sleep, study, work, swimming, showering, travel aeroplanes, or busy city living while maintaining breathable for extended wear. Light weight 0.5gram per pair designs slips effortlessly into pockets, handbag, or shoulder bags for noise reducing. Suit for libraries, flight, or construction zones. Specifications: Component: Silicone Color: Blue, Pinkness, Clear, Skin Color Earplugs Size: Approx. 17mm/0.66in Weight: Approx. 85g Package Includes: 30Pieces Silicone Mud Earplugs 1Piece Clear Storage Box note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color