The Caran D\'ache Neocolor I X30 wax crayons are suitable for use on a variety of materials, including paper, cardboard, glass, wood, fabric, leather As well as being soluble in turpentine they can be combined with the Neocolor II (water-soluble) wax pastels to create watercolour washes, blocks of colour and experimental textures.The crayons have the ability to be combined with different mediums to manipulate surfaces to experiment with a mixed media approach. As the wax crayons come in hinged metal tin, the lid makes it easier to transport if you\'re a creative on the go. - 30 Caran D\'ache Neocolor I wax crayons - Permanent wax pastel - High pigment concentration for birght and opaque colours - Excellent lightfastness - Water resistant - Suitable for a variety of surfaces