... lifetime,Adension :0 level High Hardness Natural Dry Anti UV Heat Insulation Glass Paint Easy application, quickly be film, high hardness, ... methodsBrush, sponge method [Application Method] 1.Wash the glass and require the surface clean and dry2.Done well correlation ... for heat insulation, save energy and anti-UV. [Packing] 1/2/20L High Hardness Natural Dry Anti UV Heat Insulation Glass Paint