This is our Polyester 50D Plain Weave 31 C PU Thermochromic Waterproof Dyed Fabric.It is a 100% polyester dyed fabric, weighing 80g/m2, with a width of 56/58 inches. The main processes involved are "Thermochromic Color Change + Waterproof Treatment". The article number is DB10217.This fabric offers a soft and comfortable handfeel with a smooth, leather-like finish, making it lightweight and waterproof. As a PU thermochromic fabric, it changes color above 31 C, with the color change effect becoming more pronounced at higher temperatures!