52 eighth pans of soil-based watercolor paint plus a large mixing pan are set in an Art Toolkit brand folio palette. Rust-proof aluminum case measures 5-5/16" x 3-3/8" x 1/4"* (~135 mm x 86 mm x 7 mm) when closed.
Metal pans have color numbers noted on the bottom (more info about colors here) and can be rearranged to your heart's content.