FEATURES Vibrant colors make protection visible Self-adjusting polyurethane foam expands to fit virtually every wearer Contoured T-shape for easy insertion and wear Smooth, soil-resistant closed cell-foam skin prevents dirt build-up Available in paper bag packaging and/or with cotton cords for process industries [pulp & paper] Bulk refills for Leight® Source 400 and Leight® Source 500 Earplug Dispensers save time, waste and space