This Winsor & Newton Artists’ Acrylic Clear Gesso is a high-quality primer for preparing canvas, paper or other surfaces for acrylic colours. It adds tooth to ensure that colours will hold, & dries fast & clear, though you can make up a coloured gesso by blending it with acrylic colours. Winsor & Newton Artists’ Acrylic Clear Gesso is also suitable for oils, & will make a pastel surface on paper.