311-1252 is a E-A-Rsoft™ Yellow Neon Blasts™ earplug features a natural cylindrical shape and smooth texture for a comfortable fit. Featuring a 32 NRR* for work in noisy areas. Bright yellow color is designed to help make them easier to spot for compliance verification. It is made from expandable slow-recovery foam, help provide a combination of comfort and hearing protection for users. E-A-Rsoft™ Yellow Neon Blasts™ earplug features a natural cylindrical shape and smooth texture for a comfortable fit. Featuring a 32 NRR* for work in noisy areas. Bright yellow color is designed to help make them easier to spot for compliance verification. Recommended applications are assembly, blasting, cleaning, demolition, electrical, facility maintenance, grinding, machine operation, painting, sanding, welding.