Keep your documents safe and tidy with this convenient L-folder. It is printed with a contemporary design and beautiful Wren illustration by Elwin van der Kolk. The L-folder is suitable for A4 sized documents Just one item in the range of products by Elwin van der Kolk, so check the website for complimentary items for gifts and homeware. Elwin van der Kolk, the Dutch biologist and natural painter, was fascinated by the nature around him at a young age. He spent a large part of his childhood watching and drawing birds. In his drawings he tries to capture wildlife in such a way that the viewer is encouraged to admire and protect nature.