These kits contain all the material you need to quickly and easily stretch your own canvas, saving shipping costs. The canvases can be dismantled once painted and shipped again in the original packaging, making these ideal for the artists exhibiting or selling abroad. Fredrix Pro-Series professional grade stretched canvases in Fredrix heavy duty 12 oz Primed Cotton Duck we sell already in loose rolls. The chassis is made from 3.49 cm deep kiln dried Ponderosa Pine machined in the USA. For more information please see here: http://www.fredrixartistcanvas.com/pro-dixie-kit/