Pebeo's Extra Light Gray Retouch Dye is specially designed for professionals and students, Pebeo's Studio gouache is fine, opaque and very rich in pigments. The colors are intense, lively and remain striking after drying. Its mellow and fine paste makes Studio the ideal gouache for studies, illustrations or decorations. With its 20ml tube, Studio Gouache is a particularly attractive idea for artists and students. It offers them a trichromatic black and a true, balanced primary system, which by mixing the binary shades results in pale grey tones. The lively and intense Studio Gouache colors dry in perfectly uniform flat areas while retaining their effect, without dusting. Studio Gouache is ideal for producing models, studies, decors and illustrations. Properties Thinner: water Cleaning the brushes: with soapy water Surfaces: paper, cardboard, plastic