Description size: usually the size means width x height. If our list does not have the desired size, please contact us via Amazon message, we can customize any size. PRODUCT FEATURES: Our non-woven fabric is a high quality material, resistant to deformation and odorless. Air bubbles, wrinkles or wrinkles do not occur after installation. Our backgrounds have smooth surfaces. Most of our wallpaper has 3D effects such as embossed effects or convex convex visual effects, but that is still a flat wallpaper, all on one level. But the individual wallpaper does not have obvious 3D effects. EASY TO INSTALL! Installation is simple, anyone can do it! Just mix the adhesive wallpaper with water and apply directly to the wall. Then apply each strip one by one. Our shop is a professional wallpaper seller. Our shop has a large number of high-definition beautiful background wallpapers. There is always one that suits you. Welcome to choose from.