Durable material: The book pen is made of high-quality metal and plastic, the surface is varnished, rust-free, durable, and offers a strong platform for even the heaviest books.Practical cookbook holder: With the practical metal stand, you can easily open the book and cook and read at the same time. Release your hands to do other tasks.7 adjustable viewing angles: The adjustment bracket on the back works very well. It can be easily adjusted to 7 different positions on the book. It gives you more choices so that you feel most comfortable while reading.Easy to carry: Folding design makes it take up no space and convenient to carry. The expanded size is 28.5 ** 15 * 20 cm. You can easily fold it up and wrap it flat when not in use.Multifunctional: The letter holder ideal for watching videos, reading, holding books or simply surfing the Internet. Not only suitable for office, home, travel, school, kitchen, indoors and outdoors.