Roll size - 20.5 inches wide x 18 feet. Design has a drop match with a 20.5 inch repeat. Covers 30.75 square feet. Peel and stick to apply – no water, no paste, no mess 100% removable peel and stick wallpaper. Where to Apply - Our wallpaper adheres to any smooth, flat, and clean surface. Walls should be cleaned before use. Our products are not designed for textured walls. Superior strength & properties to regular contact paper (thicker & leaves no sticky residue behind)