Bookends features: Adjustable Angle Book Stand Holder Multifunction Music Reading Document Bookrest Dropshlp| Bookends Features:Made of high quality ABS material, durable and reliable. Lightweight and portable, it can be stored in your backpack and used anywhere or anytime. With two fixed arms, firmly fix books or documents page preventing the page tilt. With 180 degrees adjustment angle, stretchable arms can clamp width of 11-53cm book or documentsEffectively reduce their eyes fatigue and physical fatigue and further to improve work efficiency. You are free to put your storybook, textbooks, cookbook, sheet music or magazine, smart phone, etc. Perfect for reading or study at home office and library. Book Stand Holder only, other accessories demo in the picture is not included. Specification:Material: ABS PlasticSize: app.21x30cm/8.27x11.81in Quantity: 1 PcNote:No retail package. Please allow 0-1cm error due to manual measurement. Thank you Package includes:1 x Book Stand Holder