Wrinkle Resistant Backdrop 10'x12' - Chroma-key GreenProMaster Wrinkle Resistant Backdrops give a smooth, clean looking background to your photos. Any wrinkles from storage or transport come out with low heat or steam while the background is hanging. They can be machine washed with mild detergent and tumble dried on low. The sewn in rod pocket makes it easy to hang with ProMasters background stand set product 9811.