The paper of the book is made of stone paper (except the cover page). Stone paper is manufactured out of from mining waste and waste plastic bottles. No wood is used in manufacturing the paper. The manufacturing of the paper does not pollute the air, and it requires very little water so there is no water pollution. The paper is recyclable. In addition of it being waterproof, the paper is also insect proof, tear resistant and it is ultra- smooth paper. It can be reused if written on with inkpens or highlighters. Not suitable for inject and laser printers. Available in two sizes - A5 and A6, 64 pages, Plain / Ruled / Check, 10 different colour cover paper, and waterproof paper is 100 gsm. External cover is handmade recyclable normal paper.