This bicycle safety flag, increased the width of the flag surface and the height of the flag pole, to meet the customer wants a relatively large area of safety signs, in the color design to do a rich color matching, double-sided printing more delicate and bright, in the ride can make the distant vehicles easier to find, high-quality material production is not easy to damage, waterproof, tear-resistant, can also be disassembled to clean the flag surface for reuse