The Stonepaper Notebook: Made from Stone, because, Your heart is not. These are 100% tree-free with off-white stonepaper that is smooth to the touch, as well as waterproof and durable. This notebook is constructed with a true lay flat binding and cover strap. Write it in Stone! with this NEW Stonepaper Notebook. Save the Trees! Specs: 5 1/4" x 8 1/4"