All surfaces used are archival quality and have been treated with an additional protective coating. Canvases and wooden boards are gallery wrapped and range in size from 1 3/4″ to 2″ in depth. These edges are either painted one solid color or utilize a continuation of colors from the painting. Some edges may also be left white. All canvases and wooden boards are ready to hang. Works on paper may or may not be matted or framed. Please see the description in the purchasing information.