Studio-Assets Black Muslin for PXB 8x10Studio Assets Black Muslin for PXB 8x10 Studio Assets SKU: SA4182 Helix SKU: SA4182 Overview This 8 x 10' black muslin is for use with the PXB Portable X frame Backdrop System. The PXB Solid Color Black Muslin Backdrop is constructed from 100% cotton muslin. It is machine washable on the gentle cycle using cold water and a mild detergent. The muslin is mill dyed using reactive dyes and then steam dried allowing it to be lightfast so it won't fade over