TwinPak handles to club store customers that require a bundle of pharmaceutical bottles, most commonly for multivitamins and ibuprofen. Its a great way to bundle. This is quiet efficient and sustainable way of bundling. PakTech is the comapny offering this systema nd have many more options. You could see some for yourselves at http://www.paktech-opi.com/handle-applicators/twinpak/ , in fact you can also see many applicators that they offer.