Ergonomic design: adjustable metal bookshelf can reduce head and neck pressure; children can effectively poor reading posture. High-quality materials: The bookshelf is made of high-grade stainless steel and steel, and the surface is and painted. It is , , rust-proof, not easy to , easy to clean, simple and generous in appearance, and has rounded corners to hands from injury or scratches . Foldable and portable: Quickly fold and easy to . Easy to carry and use anywhere. It is convenient to fold up and can be placed in a backpack for outdoor activities or storage without taking up too much space when not in use. Suitable for families, schools, offices, libraries, dormitories, etc. book shelf is adjustable, and the movable back support has notches, and the height and angle can be adjusted according to needs. proper posture to health. Perfect gift: bookshelves are sturdy and durable, can withstand recipe books, magazines, textbooks, drawing paper, documents, tablets, and are perfect gifts for mothers and children on birthdays and holidays. They can be used kitchens, schools, offices, Library, dormitory, etc. size:20x15.5x19cm Material:metal colour:Black Package Contents: 1 x Textbook shelf Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.