The colors of these crayons are made using plants, soil and shells, then mixed with beeswax. As the colors are made from natural ingredients without food coloring or other coloring agents, the dark, gentle and warm shades are all unique. We began producing these crayons when we met a child with chemical sensitivity syndrome. Unlike most crayons that have bright tones due to harmful chemical ingredients, our crayons are made using only natural ingredients. For children to adults, they are more than just for drawing; they will make you feel at peace and close to nature.