Pluses: It’s just firm enough to pad a hard or uneven seat. Very comfortable feeling. Minuses: It’s so thick that, unless the chair is adjustable, you’re likely to need support for your feet. Also, it is too large to carry conveniently–I wanted something to take along on trips where uncomfortable waiting room seating is a problem, and this pad probably isn’t going to work well for that. It does fit in my backpack, but takes most of the space in it. So, it’s a good chair pad, especially for adjustable chairs. Not great for my use. ..More