MATERIAL: Made of galvanized iron, so you don't have to worry about breaking it. | EASY TO USE: The music book cookbook can be fixed for a long time to open | FITS ALL BOOKS: Suitable for all music books or cooking books page. | MULTI-COLOR VALUE COOL SET: Includes gold and silver, two colors of your choice. | DIMENSION: 16.5 cm long, 9.5 cm width, compact structure and lightweight.