Winsor and Newton - Cotman Water Colour Set - Pocket - This amazing set includes two removeable mixing trays, 12 Winsor Newton Cotman series watercolor pans, a travel brush, and three lift out trays to hold your watercolor half pans. It all folds up into a small travel box. The inner lid can be used as a third mixing area. The is a flexible thumb loop can be used to hold the set like a palette while you are painting (located on the underside of the set). This set is suitable for professional artists and beginners alike.