?Caution?Please increase tension for heavy hardcovers and laptops. Please adjust the viewing angle appropriately and ensure safe usage. ?Stylish& Solid?MDF wood board of 0.4" thickness, with aluminum alloy arms and base in matte finish, a stylish stand you definitely would love to add to your desk setup. ?Height&Angle Adjustable?1.6"-8.8" height adjustable, for childern and adults. Tiltable wooden board offers a best viewing angle for various purpose such as reading, displaying, drawing, cooking, instrument playing, tablet/laptop supporting. Easy folding to carry or store. ?Universal Application& Multiuse?For 5"-8.5" Text Book, 6-13" Tablet/iPad/Ereader, and 12-17" laptop. Also can be used as tablet stand and laptop stand in your study room, sofa side, bed side, kitchen, etc. Note: Books with short side close within 4.13 inch are not suitable for this stand. ?Good Reading Posture?Ready to use right out of the box. Mount your book on this stand, a small change to your readying habit will help to relieve soreness in shoulder and neck, waist while protecting your sight.