Derwent Tinted Charcoal Xl Blocks Tin Set collection perfect for artists of all levels. Each 60mm extra-large block is naturally watersoluble, allowing you to use them dry for rich, bold lines or add water for dramatic effects. Ideal for sketching, drawing and expressive mark making, these tinted charcoal blocks open up a world of creative possibilities. The set comes in an attractive tin with a removable lid, providing easy access and convenient storage. Whether you're a professional artist or an enthusiastic amateur, this set is perfect for enhancing your artistic expression.