Chroma - Atelier Gesso Primer 500ml. Dries fast and waterproof for traditional acrylic techniques. Use with Atelier Interactive other artists' acrylics or oil paints. For the preparation of painting surfaces. A heavy white acrylic ground with a high grit content is designed to provide a stable matte surface on which to paint either for acrylic or oil painting. Can be applied straight from the container for thick textural interest in a painting. For a smooth finish dilute and sand between coats. Clean up with mild soap and cool water. Water-Based and Non-Toxic. 500ml.