Size Optio Our Size Suggestion for Kid's Years ONLY applies to children of average height. Please refer to the dimension image shown on the listing page which shows the actual height from seat cushion to foot pedal. If your kid is 4 or 5 years, higher than the kids of’ average height, we suggest Medium size. Tips: Please use this ride on horse on flat ground. The wheels can not roll backwards. A picture of our product was printed on the package. Patented No-saddle Design Patented No-saddle Design. Strong bearing: S size 132lbs, M size 165lbs, L size 187lbs. Head to Body One-piece Filling Not easy to deformed. Skin-friendly & harmless surface and flame retardant material inside. No Need Installation No need battery or electricity. Open the box, take out the little pony to have a nice ride. Soft Hair+Direction Handle Soft Hair+Direction Handle Adjustable Pedal(3 levels) Rolling Wheels( only forward, not backward)