Roll Material: PE Film Handle Material: Aluminium Alloy+plastic Film Tackiness: Low , Middle, High, Super High Film Thickness: 0.045mm. 0.05mm (Customized Thickness is welcome) Width: 2", 4", 6", 8", 10", 12", 14", 16" Length: 18000mm (708 inch) Color: White, Blue, Transparent Layers: 100 Layers per Roll Tube Inner Diameter: 25.40mm, 28.50mm, 76.50mm Perforation Distance: 160mm, 320mm Anti-dust Effect Efficiency is 99.9% Packing: 100PCS/CTN Application: Widely use in breadboard, PCB, FPC,LCD, SMT, semiconductor, Electronic manufacturing and other purity place, cleanroom, dust-free factories, stainless steel sheet, film for dusting, Lab, hospital, high-tech centers ect. Use Method 1. Peel off the non-adhesive protective film when used. 2. Use the Roller flexibly to clean target. 3. Peel off the dirty layer if the roller becoming dirty. 4. Tear off and use the next clean layer. Storage: Keep away from benzene solvents, inks, curing agent. With the clean package. When not in use: Please avoid the high temperature and direct sunlight.