... condition;Low-profile design;Large size, middle size and small size for adult and children;PU foam earplugs in conical ... shape, cylindrical shape and small bell shape;Adjust the color according to pantone number;Soft ... 2.4cm MaterialFoam Colouryellow, pink, green, red, etcRebound time5-25 secondsCertificateCE EN352-2CordNylon, PVC Red, yellow, blue PU or Silicon Bullet ...