Cotton Earplugs Main Features: Small pressure on the ear canal,suitable for wearing for a long time Fit all kinds of different ear canals Medical grade wax, non-toxic and waterproof Ideal for reducing noise Whether you are studying,sleeping or working Also can be used when swimming to reduce infection risk. Item name Waxed cotton earplugs Material Wax Color Blue, White, Orange, Yellow... Shape Round SNR 25dB Specification: Material:soft wax Color:blue,white,orange Note: Keep it away from babies Be used under adult guidance for children Disabled when diving Do not divide and break