Winsor & Newton Cotton Canvas Traditional 70cm x 70cm Box of 6These Traditional Cotton Canvas from Winsor & Newton provide an ideal surface for oil and acrylic painting. Every canvas is made from 350gsm cotton cloth that is completely acid free and of archival quality helping to prevent yellowing and discolouration of your work that can occur over time. This collection of canvases are available in a wide range of 31 various sizes (16 imperial sizes, 15 metric sizes) all with depths of 0. 75 inches, so you are