A5 size cover made of blue embossed cowhide. This leather is approximately 1.6mm thick and is also flexible. There is a raised area on one side, so it is listed as slightly scratched or stained, although it is unused. Thank you for your understanding. m(__)m It has two pen holders. It fits notebooks and planners with a thickness of 4-8mm. Make your usual notebook or planner special...(^^) How about it?