Designed for foot protection, these anti-piercing insoles feature a durable steel plate layer that against sharp objects like nails and debris. The hard yet comfortable structure ensures stability and safety, making them ideal for construction sites, labor-intensive tasks, and environments requiring enhanced foot safety. Features -Color:Black -Material:Fiber -Size:25.20X8.20X0.30cm/9.90X3.22X0.12in -Reinforced steel plate design: effectively resists sharp object punctures, ensuring foot safety for construction workers -Comfortable antipressure structure: reduces foot pressure during long periods of standing or walking, enhancing work comfort -Professional antinail technology: easily handles complex ground environments, preventing accidental injuries and boosting work confidence -Ultradurable material: extends the lifespan of the insoles, reducing replacement frequency, ideal for highintensity labor environments -Precise size fit: widely compatible with various labor protection shoes, ensuring a secure fit and improving wearing stability Package list: 1 pair of x anti-nail insoles