We use the highest quality Poly cotton muslin available to us. Muslins can easily be folded and brought with you to various locations. They have small wrinkles naturally, any prominent fold lines or wrinkles can easily be steamed out. Do not Iron your muslin, ironing it may ruin your muslin and your iron. All muslins have a 3" Pocket sewn on the top, this is provided so that you can easily hang the backdrops by feeding the crossbar through it. It sometimes just easier to hang your muslin using clamps (Sold separately) . All muslins are painted to be hung at approximately 10' (3 meters).