J Color Color Swatch Book (closed A4 size). Color selection is simple. First select the color of the main wall and the second select the color combination. Coordinate with 200 different colors. J Color is interior paint that can be applied directly from top of wallpaper. Safe, water-based paint with anti-microbial function for fast drying time and low odor. Available in approximately 200 color variations to suit your purpose, from warm to chic colors. Can be used for a wide range of purposes, from self-renovation to shop construction.