Winsor & Newton Stretched Cotton Art Canvas 36 inch x 48 inch Single (2-Pack) All Artists' Canvas is stapled on the reverse resulting in clean edges Professional stretcher bars are as standard and offer great strength and stability. Heavier weight superior quality cloth Medium grain surface. Ideal for all techniques "11 oz/sq. yd. primed, 100% unbleached cotton duck" ".75" deep, staple-free edges can be painted to display finished paintings with or frameless"