Start with the best basis and treat your acetate, foil and glass surfaces with this workable fixative and surface preparation spray. It allows non-porous surfaces to accept water-based media without beading up while lowering the levels to enable over-painting and layering without lifting. A must-have for artists who specialize in dry and multi-media work, this matte spray is not intended as a final fixative. Details: 11.75 oz.(333 g) spray can, Matte finish, For use with dry mediums, WARNING: DANGER: Extremely Flamable.