Best value notebooks with a large range of sizes and grids. Extra white satin finish paper 90 g, which makes writing pleasant. Cover with washable film. The cellulose fibres of the paper come from sustainably managed forests. 100% recycled, naturally white: no de-inking, no chlorine treatment, no optical brighteners. The NF environment certificate combines quality and environment: its suitability for use and limiting of environmental impacts linked to the printing and the manufacturing of the paper and the product.