●Designed for the posture and comfort of wheelchair users, with a soft hand feeling. Cervical spine correction to reduce cervical spine injury for wheelchair users. ●Adjustable padded headrest cushions also maximize user comfort. The height, width and angle can be easily adjusted without tools, which is very convenient. ●The neck pillow is suitable for most wheelchairs with handles up to 2.5 cm (1 inch) in diameter. Suitable for maximum wheelchair width: 380~520mm/ 15~20.5 inches. ●The packing list includes everything needed to connect the headrest, bracket, etc. to the wheelchair. Installation is very simple ●The diameter of the clip for fixing the headrest on the wheelchair frame has two sizes, 22mm and 25mm, and you can choose according to your needs.