Chinese Knot - Self-Adhesive Wallpaper Borders Home Decor(Sample) 3.9-Inch(9.9cm) wide by 10-Inch(25.4cm) long. Pre-pasted, requires no additional adhesives or activators. Applies to any smooth surface. Such as walls, tiles, mirrors, windows, furniture, doors, etc. Durable enough that it can be scrubbed with the use of moderate pressure and a damp cotton cloth or sponge. The purchasing quantity is limited to 1 piece, wallpaper border samples are not returnable.