... mesh uses the machine-woven material of central-alkali and or non-alkali as material and treats with alkali-proof coating ... insulation layer. Besides, with easy in application and simple quality control, it functions as the "soft rebar" in the insulation system ... , 250g 3. Length /roll: 50m--100m 4. Width: 1m-2m 5. Color: White(standard), blue, green, or other colors 6. Package: Plastic package ...