WL: UV-resistant up to 60 days. Used to smooth wood board, metal, glass, carpet surfaces.
WL-01: 30 days indoor. Used to smooth wood board, metal, glass, carpet surfaces.
WL-02: UV-resistant up to 7 days. Used to smooth wallpaper and glass.
WL-03: UV-resistant up to 14 days. Used to smooth wood board, metal, glass, carpet surfaces.