The largest adaptive seating from Special Tomato is found in the size 5 Soft-Touch Sitter with Mobile Wedge Kit and suitable for children 13 - adult. This seat can accommodate weight up to 200 lbs, holding any child, teen or adult with mild to moderate physical involvement. The Special Tomato Soft-Touch Sitter is accompanied by the wooden Mobile Wedge. This Mobile Base allows children and adults to get from point A to point B by themselves. The easy rolling casters provide this function.áWeight capacity: 90-200 lbs.