The reading stand doesn't need to be assembled, it's multi-angle stand. Easy to use and you just need to fold up the stand when you finishing reading. It is suitable for home, office, library, dorm, even kitchen and workshop. But when you choose it, please carefully check the size and then purchase the bookstand. Durable: coated with a paint, and made of metal, not easy to break. Convenient: Hand free and high quality, make you enjoy learning or working. Adjustable: You can adjust the viewing angle. So it can correct posture and prevent children from myopia. Holder Base Dimension:11.2'' x 7.3''( LxW )