Jack Timperley's Guiding Principles of Life. Uplift any room's decor with art that's printed on top-quality canvas gallery wraps. Each wrap is made with finely textured, artist-grade cotton substrate which helps reproduce your image in outstanding clarity and detail. Available in multiple sizes, these closed back canvases are built with a patented, solid support face and are excellent for indoor use..: 100% cotton fabric (400gsm).: Horizontal, vertical and square options available.: Closed MDF backing.: Built with a patented solid support face.: High image quality and detail.: NB! For indoor use only