Protective film for burglar-proof doors 1. This product is suitable for surface protection of floor during transportation, storage and use. This product, with low-density polythene film (PE) as its backing material, features in good transparency and adhesive force, easy to apply and peel-off, as well as being peeled off without residual glue. 2. This series of protective film have good performances. When applied, it can make a door look better, and see to it that no reaction will occur between the film and protected surface, thus ensuring no contamination or corroding will occur to the protected surface. 3. Adhesiveness, thickness, width, color etc. can be customized to meet the users individualized demand.