We are producing the poly strappping seal which is used together with a strapping kit. Usually the size is 1/2' for the 1/2' strapping band of open style Our price is "made-in-china' and quality is better than usual seals in the world. Please do not hesitate to contact us if you really want to save more money for your purchasing strapping kit's seals and get more order through chosing better quality seals.