Art Essentials Caravaggio Series 511 Oil Primed Artists’ Canvas is an artist quality 100% linen canvas, with a fine texture and is 380 GSM / 13.5 Oz thick. The First Quality 100% linen fabric is oil primed, specially developed for use with oil colours. The canvas is primed with linseed oil & tung oil. Suitable for any style of painting. As a chemical reaction, oil traces might come up to the surface. Possible changes in appearance may occur with time passing. Fine texture surface with tight weave, ideal for all techniques with brush & heavier applications with painting knives.