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 8 fluid ounces of gesso canvas primer. non toxic and conforms to astm d 4236. made in usa.