Keep your pens and crochet hooks nicely organized in this solid case.
The pouch is felted, and the pattern page provides lots of helpful links in regards to felting.
To make this you will need a wool material. The pattern does not specify what weight, but it does specify the dimensions of your rectangle in order to get the sizes you need.
If you enjoyed this free crochet pattern you might also enjoy more designs by Petals to Picots.