Children can maintain eye health and learn posture while reducing body and eye fatigue, neck and eye pain and promoting correct reading and writing postures. 0-60° height adjustable, triangular principle, firm and stable, easy to adjust, if you keep your posture for a long time, you will feel tired. And this reading frame can change the angle as you like, so you will never be bored again. The bottom contains 4 non-slip pads that can be read with peace of mind and are not easy to shoot. foldable, easy to carry, can be used anywhere in the pocket. Such as: at school, home, on the train, etc. The material selection is made of high-quality metal, which is environmentally friendly, non-toxic, strong and durable without odor. This bookcase can be expanded so that books of all sizes can be used. For example: recipes, A4 paper, reference books, story books and tablets. color blue size: 15.2*12.8*15.2cm Number of shipments: 1 Note: Other items are not included here, other pictures only show the effect Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Allow deviation. Thanks!