do you have towels available, or do i have to bring my towel? Do you have towels available, or do I have to bring my towel?

They have towels available for rent at a cost of $5.

You can rent towels and when you are done with them there is a return bin to drop them at

Yes they do. You can either buy or rent them.

They have towels available for rent and bins to drop them off when you're done.