This product the, Modern Mixing palette is a new innovative solution to a problem many artists professional or recreation have trouble with. Mixing the same color mutliple times on different occasions. These circular measurements create an easy and time efficent solution my breaking down color ratios so you can best recreate the color once again. This palette also comes with a pack of paper squares that lets you record in which sqaures you placed what color in order to get your final outcome. This paper is your reference sheet and it made to be used as a 'record' so when you need that specific color later you can mix it as quickly as possible and close as possible on the first try. Happy creating!