I bought tickets for the Volksworld Show in 2020, but because of Brexit and Covid restrictions (until very recent) I won't be able to make it. I have 2 adult weekend tickets and want to donate them to somebody. Let me know if you want them and I'll email them to you.
What switch are you referring too? Do you mean the indicator stalk?
You can buy them new, but mind the difference in US and non-US versions? The US version has more wires.
The vinyl does feel very cold for a moment if it's cold outside, but just like with a chair or any other vinyl covered object it will heat up to your body temperature really quick.
If you want to sleep on it I would advise to cover it with sheets or a blanket, because you will start to sweat...