UTV Mountain Accessories Kid Cushion:
Adds 5" of height 
Made of All-weather black carbon fiber vinyl
Machine stitched for durability
No install and not permanent
Fits any make and model bench seat or bucket seat 
Can your kid not quite see? The harness is not quite hitting them right? This cushion will be a HUGE hit with your kid. You simply put it on the bucket seat, or bench seat (it is compatible with any seat factory or aftermarket). It adds 5" of height allowing them to see better and the allowing the harness to hit correctly. It truly makes all the difference.
Best part? No install and it is not permanent. Take it in or out as you please.