The Narissa wallpaper by Matthew Williamson is a quirky design featuring a picture gallery of framed butterflies, flowers, and Indian artefacts that is sure to make a bold, maximalist statement in your home. Supplied as a mural made up of 3 drops. Each 3m high and 68.5cm wide, meaning 1 roll will cover a space that is 3m high x 205.5cms wide.