Material: High-density polyethylene (HDPE). Mesh density: ¡à 2600 mesh / 100cm². Impact Force: 100Kg sand bags, nets 1.5m high-impact body, the impact of breaking a straight line or curve length ¡à 200mm length ¡à 150mm Flame Retardant: continued burning ¡à 4 seconds, smoldering ¡à 4 Miao. Model Specifications: Fine Mesh Safety Vertical Net: 1.8M * 6 M and more standard up to you ; Features: high strength, heat ventilation, translucent fire, dust noise reduction.