PORTABLE TYPE: This type of book stand is formed by a collapsible structure, which is light and durable. It is so convenient that you can carry it around and store it well. EASY TO ADJUST: It comes with an adjustable function, which can be ranged from 0 degree to 120 degrees. Hence, you can adjust different angles to meet your needs. There are no specific restrictions on angle adjustment. USER-FRIENDLY DESIGN: It is equipped with a retaining clip, so it is easy to keep the page or the document in place. This retaining clip can be fixed in a very large range. Whether it is a A4 paper or a very thick book, it can be easily fixed. VERSATILE-USE: This metal book stand has a wide range of application. It can be used as a desktop holder or a laptop holder.