3M E-A-R Soft PD-01-002 Neons Earplugs Refill Bottle Uncorded Yellow3M E A R Soft Yellow Neon Earplugs The uncorded 3M E A R Soft Yellow Neon Earplugs are made from a slow expanding polyurethane foam material. A plug that gives evenly distributed pressure allowing flexibility and a good seal with optimum comfort. The 3M E A R Soft Yellow Neon Earplugs offer exceptional comfort with high levels of protection, made from slow expanding polyurethane foam material. Box Quantity: 250 Pairs.