How to cope with the creases after receiving the goods: The merchandise might be folded for shipment which may result in creased are some ways to remove the creased: 1 You can iron the back facet (not the picture side) at right temperature (Just like iron your fabric ) to take away the wrinkle To avoid possible steam damage, place a layer of dry material between the backdrop and the iron simply quickly swipe it over the crease (with the lowest possible setting you continue to have to be in truth fast), or you&;ll melt the material 2 Or you can roll it tightly with a cylindrical object and depart if for a while; Vinyl material can only be ironed, Polyester material would be washed About size Our length is width x height, the unit is cm example, 300x200cm capability 300cm huge and 200cm excessive About materials Vinyl Not waterproof;it have much less crease, Can only be used for photography backdrop; Maximum seamless width of 300cm; you could iron it to remove the creases,Crease would be improveSuitable for indoor use, compatible for one-time use Polyester Softer and better high quality than Vinyl material It can easily remove creases and is not smooth to fade Can be used over and over =====ABOUT COlOR ===== Please word that there are many different exhibit resolution between each computers, so the colour proven on screen might has chromatic aberration We will try our best to avoid this situation, thanks on your understanding If you've any questions, please be happy to touch us