Handwashed in warm water using a mild detergent or soap, be sure to rinse thoroughly and dry flat.
On occasion there can be very small imperfections found in the paper they are minor and do not effect the strength of the paper.
It is normal for the paper to crease and mark with wear, the intention is for the paper to become more like wax. This is characteristic of the paper, it is not a fault.
Made in Tuscany, with love.