... to cold: it still works below -20. The lower the temperature is, the stronger the pulling force will be.SpecificationWidths:10mm,12.5mm, ... 70mm,80mm,100mm,110mm,125mmCertificationSGS&ROHS, in line with the European environmental protection standards.Usage1.Used for clothing, shoes, ... (Mainland)Product sizeany size can be made as the request of customers.ColorWhite/black/other colors.MOQ1000 MPackage25M ...