Roll size - 20.5 inches wide x 18 feet. Design has a straight 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. No sticky residue left behind upon removal 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.