Materials The Ketiee Letter Is Made Of High Quality Stainless Steel And Steel, And The Surface Is Polished And Painted, Which Is Strong, Smooth, Rust-Proof And Not Easy To Break.Foldable And Portable The Bookkeeper Reading Stand Can Be Quickly Folded Up For Convenient Storage. You Can Carry And Store It In A Backpack For Outdoor Activities Without Taking Up Too Much Space When Not In Use.6 Adjustable Positions Length: 21.1 Cm, Width: 16 Cm. The Ketiee Book Holders With Different Notches On The Movable Backrest Can Be Adjusted In Height And Angle As Required.Ergonomic Design The Metal Adjustable Reading Stand With Ergonomic Design Can Reduce Pressure On The Head And Neck And Spell Children Can Correct Poor Reading Positions Effectively.The Ketiee Lettering Provides Space For Recipes, Music Books, Magazines, Textbooks, Drawing Paper, Documents, Tablets, Etc. And Can Also Be Used In Kitchens, Schools, Offices, Libraries, Dormitories, Etc.