Not Including Half Pans: The palette tin box total has 48 tray positions, each is about 21.2x10.6x1.4cm. You can put half pan into it with watercolor paints. Foldable Design: The watercolor palette is about 114.5mm wide, 223mm long, 24mm thick with foldable design, which can be folded up and tucked into a pocket or bag for the painter who wishing to paint on location or travel. Fine Workmanship Palette: It is made of iron material, the whole is strong and durable, not easy to rust or deform, and can be reused for a long time. DIY Your Paint Palette: It can hold a wide range of colours, so you can fill the tray with any of your favourite tube watercolour paints to customise your own watercolour paint set. Ideal Palette: The portable watercolour palette is suitable for home, studio, outdoor or field sketching and painting, you can easily DIY your travel watercolour palette. An ideal empty watercolour palette tin for painters.