Why use book stand for reading? Using book stand for reading can free your hand for better reading experience, also can correct sitting posture and prevent myopia and cervical spondylosis, help develop good reading habits. Book Shelf Bookmark Holder Adjustable Height & Angle The angle of our ergonomic book stand can 360-degree rotation up and down adjustment, press the button to adjust, every 15° is a gear. Height adjustable range 4 - 26 cm, you can adjust the angle and height of the book stand to make reading comfortable according to your needs. Book Shelf Reading Rest Durable & Strong This book stand is made of high quality heavy duty aluminum, strong, waterproof and rustproof, ensures long-term durability, can bear a weight of 10 kg. Bookmark Reading Rest Foldable & Portable This bookmark can be folded for easy storage, folding size is 15.5\" x 10\" x 1.5\". In addition, this bookmark is lightweight, only 1 kg, which makes it quite portable. You can use this book stand at home, at the library or on the school desk. Book Support Book Holder Stand Multi-Use This book stand can be used not only for books such as textbooks, but also as a laptop stand. This book stand can be folded into different shapes as you like, you can use it on the desk, in the kitchen, on the sofa or on the bed. Both children and adults are available. Book Support Bookmark