The best thing about this prestretched artist canvas is that it is stapled on the back, which is nice is you are not going to frame the painting, it gives a more pleasent finish and a creative option to the artist i.e,you can paint on the sides now.! This is becoming more and more the trend, it saves on frames too. In quality it is very good . It uses 8oz canvas,whereas many prestretched canvas's are 7 oz. Winsor Newton is a British Company that has made artist paints for over 140 years.The canvas comes in two widths, 3/4" and 1.5", and we offer 55 % off. Here is the company's blurb:Triple-coated with acid-free sizing and two coats of highly pigmented acrylic primer formulated by Winsor & Newton. Balanced absorbency and tooth prevents sinking of oil colors and improves adhesion. Professional frame construction with kiln-dried, beveled stretcher bars. Stretched by hand for best tension and tailored corners with ample canvas on the back for re-stretching. Individually shrink-wrapped. Paint On!