PU foam ear plug 1.Shape:bullet,cylinder,bell 2.NRR: 29db 3.Size:2.5*1. ... : meet ANSI S3.19 and CE EN 352-2- Shape: bullet,cylinder,bell,etc- Colour: orange,yellow,red,blue,white,pink ... the other packing depended on the requirement. 29db PU foam bullet shape ear plugs size:2.5*1.2cm fast rebound