Pack Of 18: Our Premium Airtight Watercolour Palette makes it easy to lay out your colors and create. With generously sized color wells, a removable tray and two large mixing areas. If you can't finish your painting in one sitting, the airtight seal makes sure your colors stay fresh for when you are ready to pick up where you left off. Keeps paint fresh between painting sessions with an airtight seal Two large mixing areas Removable mixing tray in the lid for easy clean up This watercolor palette is suitable for beginner through to experienced artists Pack Of 16: Our Premium Airtight Watercolour Palette features 16 deep color wells and three large mixing areas that make color mixing easy. The layout gives you plenty of room to work so that you can use a range of colors and create your own unique tints, shades and tones. To keep your paints fresh, this watercolor palette also has an airtight seal that allows you to save your mixed colors for your next painting session. Experiment with color and create beautiful watercolor paintings with this practical and easy-to-use palette.