Colored pencils in a sturdy metal box. 40 watercolor pencils in a robust metal case. Lead: 3 mm, hard and durable. Water-soluble and lightfast. Well suited for watercoloring, washing, and shading. Can be combined with waterproof pens, wash pastels, or gouache paint. Developed and manufactured in Switzerland. The product was produced in Switzerland and/or consists of raw materials sourced from Switzerland. The Swiss value share of the manufacturing costs is at least 60%. FSC certified (responsible forest management). FSC stands for "Forest Stewardship Council." It is an international certification system for more sustainable forest management. The wood used in furniture, toys, books, notebooks, or pencils with the FSC label comes from responsibly managed forests. There are ten globally applicable principles that all FSC standards from different countries must adhere to. Forests and plantations that are FSC certified are managed according to stricter ecological and social principles, contributing to the long-term preservation of forests.