30x PAINT MIXING CUPS PLASTIC 600CC Polypropylene Paint Mixing CupsEASY TO USE, DISPOSABLE MIXING CUPS WHICH ARE MADE FROM SOLVENT RESISTANT CLEAR POLYPROPYLENE.CLEAR 0-600ML VOLUMETRIC SCALE ON THE SIDE OF THE CUP FOR MORE PRECISE MEASUREMENTS.  ADDITIONAL ACCURATE GRADUATIONS AND MIXING RATIOS FOR ADDING THINNERS, HARDENERS ETC.FLAT BASE INSIDE CUP FOR EASY STIRRING