Gamvar Picture Varnish saturates and gives greater depth to the colors in your painting and gives your work a unified and protective satin surface. Developed in collaboration with the National Gallery of Art, Gamvar goes on water-clear and can be easily and safely removed with Gamsol. It is virtually odorles and ready to apply. It can be applied when the thickest areas of your pinting are thoroughly dry and firm to the touch. Single 8.5 oz jar