Sennelier uses only the purest pigments, mixed with minimal amounts of natural binders, in an exclusive formula that yields lightfast, water-soluble pastels. There is just enough binder to hold the pigment together as the pastels are formed by hand. - Sennelier Soft Pastels - Set of 48, Landscape ColorsSennelier Pastel, SET 48 FULL STK LDSP - Includes Bartye Green 761, 765; Black Green 181; Blue Violet 332; Bistre 063, 065; Bright Yellow 342, 344, 346; Brown Ochre 122; Cadmium Yellow Light 299; Cerulean Blue 257, 260; Chromium Green 230, 231, 233; Cinereous Green 249, 351; Chromium Oxide Green 186; Forest Green 915, 916, 917; Helios Red 682, 686; Hot Brown 191; Indigo 136; Ivory Black 513; Madder Carmine 378; Magenta Violet 943, 945; Mummy 110; Olive Gray 451, 449, 454; Prussian Blue 293; Red Brown 006, 009, 011; Reseda Gray Green 210, 213, 214, 216; Ultramarine Deep 388, 390, 393, 395; White 525; and Yellow Ochre 116.