ithcySellers just add "for Cherry" to O-ring description and then increase price by 200%.
I got mine from Amazon. Same product indeed. Also, bying them there allows you to select materials and hardness, so I got different flavours of O-rings to experiment with(~400 pieces for ~$20).
ithcyCheers, the ones I ordered from Amazon thru that link arrived today with prime sunday delivery.
Cheaper and the people in this drop will be waiting for weeks.
Here's the ones you get from Amazon; one's mounted on a keycap.
They work great!