Flame Retardant Polyester Insect Screen 20 Mesh is a lightweight, breathable window screen fabric with reliable fire-resistant performance. Made from eco-friendly polyester with approx. 80 g/m² weight, it self-extinguishes after flame removal and does not release toxic or irritating smoke. The mesh surface is flat, smooth and odorless with good resilience, folding recovery and dimensional stability. Ideal for invisible roller screens, sliding windows and fire-safe insect screen systems in homes and public buildings.