Pentel Water Colors are rich, dramatic colors that blend easily and dry evenly. Ideal for glazing and creating subtle hues. Colors will not crack or flake and can be rewetted and reused once dried on palette. Each tube contains 5ml of brilliant, fade-resistant, acid-free watercolor. This set contains the following colors: Black, White, Naples Yellow, Ultramarine, Yellow, Purple, Chrome Yellow, Red Purple, Prussian Blue, Emerald Green, Gray, Red, Lemon Yellow, Yellow Green, Pale Orange, Vermilion, Deep Green, Brown, Viridian, Vandyke Brown, Sky Blue, Cobalt Blue and Yellow Ochre.