Description: Height Angle Adjustable: 38cm lifting height adjustable, 0 angle of view adjustable , for childern and adults Aluminum Arms & Base: Adjustable Book Holder with aluminum arms and matte finish, stand you definitely would setup. Metal : 180 rotation, left and right movable, elastic Foldable: Folding Book Stand, convenient storage when don& 39; Universal Application: Book, Tablet laptop,etc. Mount on this stand, change to your readying will relieve soreness in shoulder and neck, waist while protecting your . Specification: Material: Wood, Aluminum Size Chart: : 39cm x28cm/15.35inchx11.02inch Aluminum Base 20cmx23cm/7.87inchx9.06inch Package Includes: 1 Piece Adjustable Book Holder Note: 1. Please slightly error due to manual measurement. 2. Due to between different monitors, the picture may not reflect the actual the . 3 shopping