This Spacer Knit is 74% Polyester, 15% Nylon and 11% Spandex. It is 50/52” wide, 1mm thick and weighs 350 GSM Spacer knits are double-layered circular knits with a cushion of air and “spring-like” yarns between the two sides. They are made with dull micro-fiber polyester on one side and a shiny polyester on the reverse. This spacer knit has a durable water repellant (DWR) already applied. This fabric’s great stretch and durability make it perfect for diaper tabs and intimate apparel. Wash according to intended use.