Discover our Monolith - A5 notebook in stone paper - an elegant, modern partner for your notes. The 375 g stone paper cover has a luxurious look, and is sewn with matching thread. Inside, you'll find 50 sheets of smooth 144 g stone paper, lined pages. The first page is dedicated to material information as follows: the material used in the production of this notebook is 100% recyclable and chlorine-free it is washable, highly resistant, and features waterproof properties stone paper is a great alternative to conventional paper as it is not derived from trees. This notepad also features an elastic cord to keep the notebook closed, and a pen loop.