Moldex SparkPlugs Single-Use Earplugs Eye-catching random color patterns on top of the highly successful Softies design put SparkPlugs first in line. Extra-soft foam provides a comfortable no-pressure fit. Form-fitting tapered bullet ensures excellent attenuation. PVC-free. PlugStation Dispenser. Corded/cordlss: cordlss; Shape: Bullet; matrl(s): Foam; Noise Reduction Rate (NRR): 33 dB. Global Product Type: Ear Plugs-Single Use Corded/cordlss: cordlss Shape: Bullet matrl(s): Foam Noise Reduction Rate (NRR): 33 dB Size Group: One Size Fits All Color(s): Random Color Patterns Package Includes: (1) Dispenser Compliance Standards: ANSI S3.19-1974 Compliant Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0% Special Features: PlugStation Dispenser