Colored pencils in a sturdy metal case. 40 watercolor pencils in a robust metal box. Lead: 3 mm, hard and durable. Water-soluble and lightfast. Well-suited for watercolor, washes, 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 in Switzerland. The Swiss value share of the production 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 must be adhered to by all FSC standards in different countries. Forests and plantations certified by FSC are managed according to stricter ecological and social principles, contributing to the long-term preservation of forests.