BioSoft Pinch Fit Corded Biobased Earplugs | 100 prThe world's first biobased earplug, Pinch Fit is engineered with a high NRR SNR and an incredibly low carbon footprint. All components, including the plug, cord and bag, are made in North America with USA and Canadian plant derived materials from sugarcane. Revolutionary design requires no rolling, which results in an easier, more hygienic fit. The soft, smooth, low pressure foam ensures unsurpassed comfort.