75D polyester covered with 40D spandex,popularly used by socks factory for making fashion cotton socks with high quality and good price.4075 Polyester Single Covered Yarn with stable quality made by creora or lycra or qianxi spandex by single covering mac
Outdoor seat cushion fabric is made of Polyester, it is water repellent treated before delivery and also can be with BS5852 treatment(fire proof treatment).