Of course for every single type there are extra options such as:
dustproof seems, coating, extra strong quality, PE liner, special closures, roundwoven big-bags, croscorner loops, formstable big-bags (Q-bags).
We are always able to make new big-bags as you wish, so that the big-bags always meet up to your requirements.
To guarantee the availibilty of the big-bags in your stock we always have specific types of new bags in several sizes in stock.
To have a look at the current stock look here