3M™ Safety Goggles, Perforated Frame安全护目镜 Multi-purpose safety goggles with polycarbonate lens to guard against impact eye hazards. Vinyl frame with soft border for excellent fit, adjustable head strap. Perforated for added ventilation and comfort. Can be used over glasses. Note: use #19834 for protection against splash or dust hazard. Sold in packages of 6.