Description: brand new and high quality Features: Simple and Useful: Simple outline bring unobstructed desktop sight, easy to enjoy learning for time. Easy to Use: No need to install or assemble, clip and use, can be used with fixed tabletop, suitable for most tables of different shapes and thickness. Non slip Design: Non slip silicone pad can protect the desktop, fine threaded workmanship bring comfortable hand grip, will not hurt your hands. T-shaped Design: T-shaped no angular arc designed corrector is safer and more comfortable, no chin rest, easy fit without restraint. Adjustable Sitting Posture Corrector: The height of the stand can be adjusted freely from 20cm to 28cm / 7.87in to 11.02in, you can find the height that suits you. Specification: Item Type: Sitting Posture Corrector Function: Can effectively correct children' sitting posture Material: ABS and Silicone Optional Color: Blue,Pink Adjustable Size: approx. 20cm-28cm / 7.87in-11.02in Clip Open SIZE:approx. 0.1cm-7cm / 0.03in-2.75in Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Posture Corrector(other accessories demo in the picture is not included.)