Earls61 writes:

Here are some reusable ones...

https://www.modernbike.com/yokozuna-...t---blue--pair

$5.99 for two, versus $7.49 for 90 fancy ones:

https://www.modernbike.com/product-2126178639

Or $3.99 for 20:

https://www.modernbike.com/jagwire-c...s-black-bag-20

Of course if you buy 500 they're a lot cheaper.