Robust Material The Book Holder Is Made of High Quality Stainless Steel and Iron with A Polished and Baked-Lacquered Surface That Is Robust, Smooth and Rust-Free. 7 Adjustable Reading Positions The Bookkeeper Has 7 Notches On The Movable Rear Backrest That Allow You to Adjust The Height and Angle to Your Liking. Children Can Effectively Correct Poor Reading Postures, Reduce Stress On The Head and Neck, to Improve Spinal Health. Practical and Stable The Adjustable Page Holder Is Ideal For Heilwiy Heavy, Thick Books with Up to 900 Pages and Small, Thin Papers. and The Adjustable Hinges Won'T Leave Any Marks On Your Book. 4-Part Non-Slip Seals Made of Soft Rubber Can Keep The Reading Stand Stable On The Desktop and Protect The Work Surfaces. Foldable and Light You Can Carry and Store The Book Stand In Your Backpack When You Go Out. The Soft Non-Slip Foot Can touch Most of The Desktop to Keep It Stable and Protect The Surface of Your Countertop. Widely Used Our Book Stand Is Not Only Used to Repair Your Book, E.G. B. Textbooks, Music Books, Cookbooks, Recipes, Documents, But Also to Display Tablets, Mobile Phones and Others That Need Assistance. Suitable For Heilwiy office, School, Library, Dorm, Kitchen and So On.