Adjustable Height and AngleThe angle of our ergonomic book stand can 360rotation up and down adjustment, press button to adjust, every 15 is a gear. Height adjustable range 4 - 26cm, you can adjust the angle and height of book stand to make reading comfortable according to your need. book stand rest holder Durable & StrongThis book holder stand is made of high quality heavy duty alminium alloy, strong, waterproof and rust resistance, ensures long-term durability, can bear a weight of 10kg. Book rest stand holder Foldable & PortableThis bookrest can fold away for easy storage, fold size is 15.5" x 10" x 1.5". Also this book stand is lightweight, just 1 kg, which makes it quite portable. You can use this book stand at home, cafe, library, or on school's desk. Bookrest Book holder stand Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin