The Super Pro Palette by Masterson can be used for any sort of paint including acrylics, watercolours or oils. It has a double-sided palette to be used based upon the type of paint you prefer. The watercolour side features 28 separate wells and 3 divided mixing areas. The palette fits inside the air-tight storage box in between paint sessions. The included sponge and Acrylic palette paper can keep water- based paint moist for days or even weeks. Oils can be kept the same way, by using Oil palette paper available seperately. Measures 15.5 x 11.5 x 1.75 inches.