Considering you have to piece it together yourself, this is probably a much more comfortable solution.
Just sit your keister down in that chair right there and harken: chairs sometimes don't leave you a leg to lean on. But if you get smacked by a person in a wheelchair, you could call it a hit but can't run. So if you're into chairs and literally anything having to do with them. Just remember, you'll never be as good as Steven Hawking at musical chairs.
"The last big storm stole my seat off my lawn mower, so I decide to appease Mother Nature by reusing a grocery store bag over top a pillow. Much more comfy, too!"
Mother Nature would be proud! Although I don't think she's too happy on a count of the fact that you keep beheading all of little grass children every two weeks.