Moldex 6405 Rockets Corded Purple NRR 27 Packed 50 Per Box,MOLDEX-METRIC, INC." /> Easy grip handle allows for easy insertion, and air bubble in the tip provides cushioned comfort. Each pair includes Pocket-Pak carrying case to store plugs between uses. Earplugs can be washed and reused. Tested to ANSI S3.19-1974