Child seat footrest, easy to install, with adjustable height and angle. - Product Name: Knee Guard Kids 4 - Recommended Age: Under 9 years old - Weight Limit: Under 30kg - Installation: Easy installation - Height Adjustment: Possible - Angle Adjustment: Possible I am selling this because I bought it but never used it! It is new, unused, and unopened, but please understand that it has been stored at home. Please feel free to negotiate the price in the comments!