6604 Style: Uncorded Tapered, Qty:200 pair per box (6604) This item features: -Officially Licensed Earplugs of NASCAR . -Extra soft foam and tapered design fit snugly and comfortable in the ear. -Bright, fun colors provide easy compliance checks. -Metal detectable for food processing applications. -Noise Reduction Rate (NRR): 33 dB. -Body Material: Foam. -Color: Assorted. -Style: Uncorded Tapered, Qty:200 pair per box - Price is for 200 Pairs. -Style: Corded, Qty:100 pair per box - Price is for 1 Box, 100PR/BOX. -Style: Corded Tapered, Qty:100 pair per box - Price is for 100 Pairs. Testing and approvals: -ANSI S3.19-1974.