Cortiça material is one of the most famous product produced in Portugal.
It is estimated in wikipedia that Portugal produces approximately 50% of cork harvested annually worldwide. They are famous for being used for bottle stoppers, especially wine bottles.
Wikipedia information on cortiça:
http://en.wikipedia.org/wiki/Cork_%28material%29
Nowadays, you can find hats, bags, shoes, etc made of this lovely material.
I had this crazy idea on creating a book using this material. Therefore, I worked my mind on deciding the design and there it is....and with its own bookmark!
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This book is different from the rest of the books and journals because it is like a box with the book inside.
Besides, there is a ribbon for secure closure.
I have so enjoyed working on this new item.