Safety Helmet Protective Hat Lining PE Bump Cap Insert Lightweight Anti-collision Cap Lining for

Features: Easily adjust insert height to fit different caps, suitable for safety helmet, baseball hat, etc. Built-in strengthening bar, guard against bumps, scrapes, bruises and other minor head injuries. Made of PE material, comfortable and breathable. The multiple ventilation ports enhance airflow and reduce heat to keep your head cool for comfortable all-day wear. Suitable for automobile assembly, mechanical processing, industrial manufacturing, workshop processing, outdoor sports, etc. Specification: Material: PE Color: White Hat circumference size: 58-62cm Packing list: 1 * Hat lining