This 2.25"x1.75" hinged metal tin has a custom insert containing 6 Daniel Smith Extra Fine Watercolors in Opera Pink, Permanent Alizarin Crimson, Azo Yellow, Green Gold, Cobalt Teal Blue and Phthalo Blue (green shade) While it is impossible to calculate the precise quantity, this amount of paint, because of it's extremely concentrated nature will be adequate to paint with in the  Accordion Journal 5 Day Challenge it was designed for.