Enclosed is a metal box with an integrated two-fold palette.Brustro Professional watercolour half pan set is a collection of 24 brilliant, vibrant and lightfast colours that have a high pigment load. They are inter-mixable to create a never-ending colour palette. 3. The elegant metal box with a ring at the bottom makes it very convenient for Plein air as well as studio work. 4. Comes with a DIY swatch card inside. 5. Shade names Lemon Yellow, Yellow, Orange, Scarlet, Permanent Red, Rose Madder, Permanent Rose, Opera, Yellow Green, Olive Green, Sap Green, Malachite green, Cerulean Blue, Cobalt Blue, Ultramarine, Indigo, Purple, Permanent Violet, Yellow Ochre, Raw Sienna, Burnt Sienna, Burnt Umber, French Grey and Black.