This is a UPO670 Liquid Gold Glazing Putty. This is a premium two-component polyester filler paste used for the filling of holes & imperfections in most substrates. U-Pol -Liquid Gold formulation uses sophisticated lightweight technology to produce excellent filling properties. Combines with smooth application & very easy sanding. May be mixed with U-Pol's Flyweight Gold to adjust the product's viscosity. It has been designed with the most challenging proffesional applications in mind.