Protective impregnating agent, for the treatment of both shiny or rough surfaces of natural stones such as granites, marbles, etc. Specific for dark or black absorbing stones, IDEA DARK enhances deeply the natural color of stone, covers scratches and flaws of dark/black stone. Additional Details ------------------------------ Product description: Protective impregnating agent, for the treatment of both shiny or rough surfaces of natural stones such as granites, marbles, etc. Specific for dark or black absorbing stones, IDEA DARK enhances deeply the natural color of stone, covers scratches and flaws of dark/black stone.