Who knows how big the fluttering banner is? Yes, a friend can help me. Thank you!

Yangzhou Yining Etiquette Company specializes in flying in the air. Have more than ten years of experience; The requirements for fluttering banners are very high, and the breathable silk thermal transfer technology is adopted; Within the normal level 4 wind, the sphere is not big enough to swing; The slogan printed by ordinary machines is a bit windy and the ball shakes badly; Affect the appearance; The width of the strip is 85 cm, and normal 8 m is enough; If you don't understand anything, you can add my number: 56980 1097, and I will teach you patiently.