NLXL Coloured Chalk Wallpaper MRV-09 By Mr & Mrs Vintage. Channelling splashes of colour, these playful, retro images of 'Coloured Chalk' create a show-stopping display for any wall. Heavy-duty wallpaper with paper top-layer and non-woven backing. No wallpapering table necessary, glue is applied to the wall. Colourfast and washable with a soft cloth.