Mijello Fusion 18-Well Airtight/Leakproof Palette for Watercolor Paints, Blue features 18 ergonomically slanted wells with two (2) generous mixing areas. Includes a completely removable clear tray in order to mix true colors. Colors appear the same on both the palette and watercolor paper. Leakproof and airtight palette for watercolor or oil paint keeps colors fresh for weeks. Perfect for the classroom, travel and plein air painting and used by students, the occasional user as well as professional artists.