Matte canvas comes with back hanging already included for convenient placement. The frame is made with profile radial pine that is ethically sourced from renewable forests. .: Cotton and polyester canvas composite with a special proprietary coating .: Inner frame made with radial pine sourced from renewable forests .: Horizontal, vertical and square options available .: Soft rubber dots on bottom back corners for support .: Back hanging included .: NB! Due to the production process of the canvases, please allow for slight size deviations with a tolerance /- 1/8" (3.2mm)