Moldex PuraFit 6900 earplugs give you NRR 33 protection, the highest independently tested NRR on the market Their extrasoft, extralight foam and tapered design seal gently and snugly without pressure, while the outer surface is smooth, so it doesn’t irritate the ear canal They are 100 PVCfree The corded molded earplugs are ideal for food processing and promotes longer use 100 pairs per dispenser