The bags are $8.99 for one bag, plus $3.20 postage.

If you add 4 or more to the cart, it will be $5.84 each, 

and still only $3.20 for postage.

For the Ferrex 16L Wet and Dry vac

Try out our fabric vacuum bags here:

https://www.ebay.com.au/itm/276456265291

They are moisture resistant & better and stronger an longer lasting than the paper ones