Art Essentials Caravaggio Series 503 Primed Artists’ Canvas is an artist quality 100% cotton canvas, with a fine grain and is 200 GSM / 7 Oz thick. The 100% Cotton fabric has a superfine texture & heavy tight weave. It is double primed with a universal primer, making it ideal for oil, acrylic, tempera & mixed media painting. Specially developed to obtain a smooth surface. It is ideal for portrait paintings.