PE environmental protection transparent protective film conventional size 40MM. 50MM.60MM. You can also customize the size within 1.2 meters. This product is suitable for any metal surface, aluminum alloy doors and windows, electronic products flat, divided into high school and low three kinds of stickiness, new environmentally friendly material, strong transparency, after use, the product surface does not leave any residual glue, new plastic pipe custom conventional length 200m. You can carefully customize the length.