Out of curiosity I bought a Chinese Helinox knockoff ($28 USD, shipped) which arrived the other day. It looks pretty good, though I've only used it for a few minutes, so far. Feels and looks the same as 'the real thing' (which I also own). https://www.aliexpress.com/item/32639825025.html?spm=a2g0s.9042311.0.0.f1c64c4doPUWLt Most of the time, I'm more of a 'sit on a log' kinda person. On a cold or wet day a sit pad is nice and it's also a handy kneeler at the tent entrance. Under $1.50 USD with shipping for 11" x 15" size, these are OK : https://www.aliexpress.com/item/32639825025.html?spm=a2g0s.9042311.0.0.f1c64c4doPUWLt It's hardly worth the trouble to find an old piece of closed cell foam and cut a chunk at that price, and they fold up accordion style.