This Sandable Hard Gesso from Golden has been formulated with 100% acrylic polymer emulsion and it features the unique ability to be sanded providing you surfaces that are smoother and more even and flat compared to traditional gesso. The ingredients inside contain high levels of titanium dioxide, calcium carbonate and more to provide a sandable surface. This gesso is best used on more solid surfaces such as wood, hardwood or metal because if it\'s used on more flexible materials cracking can possibly occur. - Brand: Golden - Size: 473ml - Sandable Hard Gesso - Can be sanded down providing smoother and more even surfaces than traditional gesso - Best used on rigid surfaces like wood or metal