Winsor and Newton - Galeria Acrylic Medium - Modelling Paste - 500 ml - Winsor and Newton Galeria Flexible Modelling Paste is a lighter-weight modeling paste for use on canvas (to minimize sagging). Finely textured with a soft sculptural consistency. Suitable for building multiple layers. Matt finish. May be over-painted.
Colour may be added directly to modeling pastes (note that colour will become lighter and more 'chalky' and the resulting paste with have reduced body).