Formula Glue is high-tack hobby glue that sets fast for instant hold and gap filling to adhere uneven surfaces. It is impact resistant and you can paint it. Formula Glue has no harmful odors, is non-toxic, non-flammable, dries clear and is water-soluble. Use on porous and non-porous surfaces, and it is compatible with wood, paint, metal and plastic. 0.5 fl oz (14.7 mL).