These 20cm x 20cm painting canvases are ideal for a great selection of techniques, mediums and paints. Delivered straight to your door in boxes of 4, they are triple primed and ready for you to paint on straight away. Available in over 25 sizes each AMI canvas is made from 100% cotton stretched over a pine wood frame. All the canvas are acid free, helping to prevent yellowing that can occur in work over periods of time and keeping your work fresh and presentable. Each Classic 3 canvas features 380gsm / 11oz thick cotton with a chunky depth of 30mm / 3cm. - Brand: AMI - Sub Brand: Classic 3 - Size: 20cm x 20cm - Box of 4 - 380gsm - 11oz - 3cm depth, thick edge canvas - Material: 100% Cotton - Stretched onto a sturdy pine wood frame - Suitable for all techniques