It clearly reads cost $12.90 and below that Postage $5.99.

This is the problem with eBay when on the PC it reads one thing and then on the phone it reads another.

I stopped using the phone internet and the app several years ago.

I agree 'reusable' is also misrepresenting the truth.

I know that they are banned in AU (so you have to buy from OS) but the environmentally versions are 3cm shorter and basically useless.