Dina Wakley Media Gesso is an artist quality primer, ideal for preparing all types of surfaces. Media Gesso provides a subtle texture for paint and mediums to grab and ensure smooth application. This opaque, quick-drying Gesso remains flexible after drying. Available in white, black and clear. This package contains one 2 oz tube of Gesso. Acid free. Non-toxic. Conforms to ASTM D 4236. Made in USA.