I'm looking for a supplier of a box-in-a-bag display (the case, not the soap)?

I'm interested in buying the plastic cases for the 800 mL (29 fl.oz.) box-in-a-bag used in W.C.'s for liquid soap.I'm looking for a supplier of a box-in-a-bag display (the case, not the soap)?
I'm not sure if I understand your question, but if you're trying to get the same packages that soap comes in, just ask the soap company.