About Product:Material polyester origin Zhejiang no color gentleman white collar Plaid-blue, gentleman white collar Plaid-gray, gentleman white collar brushed-blue, gentleman white collar brushed-green main downstream platforms ebay, Amazon, wish, AliExpress, independent station, LAZADA main sales area Africa, Europe, South America, Southeast Asia, North America, northeast Asia, is it imported? Product category chest strap item No. 20MM3004 can it be retractable? Can it be packed in a box? 240. Is it a patent source? There is an authorized private brand in the East? Yes