Qiangbao tire sealant must be prefilled into the tire before puncture, when there are punctures happened to the tire tread area, under the forces from air pressure and vehicle weight, the special sealing particles (in shapes of strips, flakes, grains & powder) and filming agent rapidly rush towards the puncture, clog and block the puncture, then dry and form sealing plug, permanently seal the puncture and stop air leak.