Details Disposable Polyurethane (PU) foam bullet shaped earplug attached with PVC cord Slow rebound bullet shape noise reducing PU foam SLC80: 27dB Class 5 Sealed in satchel in pairs to ensure hygiene level 100 pairs in one box 10 Inner packs per Carton Meets AS/NZS 1270:2002 Certified by BSI BMP 617677