Familiar Derwent Chromaflow colored pencils 12 colors in a special package, from the sale of which Derwent donates 10% to the protection of British rivers. Rivers are an important natural force for many animal and plant species, which are subject to a lot of environmental pressure. The National Trust has launched a long-term Riverland conservation program to restore the natural environment and preserve the habitat of wild animals and plants. The project is also financed by other like-minded communities and private individuals.
