PRO ART-Gesso Canvas Primer. Professional grade 100% acrylic Gesso formulated with the latest acrylic technology for adhesion and flexibility. Great for a wide variety of surfaces other than canvas. Features excellent tooth and absorbency to accept oil and acrylic colors, pastels, charcoal, pencil, and crayons. This package contains 4 fluid ounces of Gesso Canvas Primer. Non-toxic and conforms to ASTM D 4236. Made in USA.