Elfinbook can be cleaned with a damp-cloth (hair drier would be perfect) or a hot wipe. Because all paper of Elfinbook is acid-free fine-grained paper, made by stone. With 60 pages (30 double-sided sheets), each page of Elfinbook can be microwaved/ erased and reused up to 500 times. The whole notebook can be disassembled and assembled at will. In some workplaces, it is very helpful to separate each page, but be careful not to lose it. See the video on it here.