Cenven Backdrop Material:Vinyl material(no washable). Features: Light absorbant Non-reflective.No pocket Type: Computer-printed for realism. For: For adult and children's birthday themed parties, the color will be more popular among people. The background of vinyl material is our latest and best computer painting fabric, and this lightweight fabric will bring you the desired background color Notes: 1. Material vinyl not washable.If there have messes just take a damp cloth with water and/or a gentle cleaner(like soap) and wipe clean. 2. All backdrop will send by folded,because according to rule of post office, length of item cannot be more than 1.2m. So we have to send items by folded.Below is the ways to removed the creases. 1)Roll it up tightly with a cylinder for 3-4 days, it will be ok. 2 Heat it with a steam iron on the back of item, then it will be smooth again.