As a decorative material for ironing onto clothes, lettering film must have high requirements on the appearance of the lettering film. The color of the engraving film must be authentic. Therefore, the color spot color company must perform bright color contrast testing to ensure the correctness of the color; at the same time, different engraving film products have different requirements, some require the product to have a metallic texture, and some require special properties , But what remains unchanged is that the lettering film is simple, fast and convenient to operate, does not require plate making, and can be batch-operated personalized DIY materials; the material itself must be tightly integrated (unless there are special requirements: thickening, etc.); materials required It has good stretch, resilience, weather resistance and washing resistance. It can be purchased if the above general conditions and the unique needs of customers are met.