High quality---high-quality steel plate material, fixed with copper rivets, unique, exquisite, and quite strong. The small bookshelf adds a background line to your desktop, giving you a perfect space for customizationAdjustable --- This bookshelf can be easily adjusted according to your needs-it is fully scalable, and for your reading materials-books, manuals, catalogs, catalogs, magazines, files, etc.It is a great storage organizer on your desk. Give you a neat desktop. The perfect size makes this bookcase very suitable for office, study, living room or bedroom, any desk, table, countertop, home, school, hotel, lobby table Decoration --- The cheerful tailoring makes these bookends very suitable for nurseries, home offices, dens, kitchens-wherever books are needed. Put it on a table, dressing table, countertop, or shelf. [Reminder] 1. Manual measurement, there may be an error of 1-3CM; 2 due to the difference between the photo light and the display, there may be a slight color difference.