BRUSTRO Artist Portable Airtight Watercolour Palette18 is airtight palette is made of high-quality PC-ABS plastic which has high rigidity and stain resistance. Consists of 18 slanted wells with 2 large mixing areas and an additional clear tray which is removable and can be used as an extra mixing area. It has a leakproof airtight design such that the paints won’t dry out quickly. It is easy to clean and travel-friendly. Suitable for watercolour and gouache.