Paper Systems offers a wide variety of liquid shipping containeroptions, âuser friendlyâ recyclable designs, and range ofintermediate bulk container sizes from 110 gallons through 330gallons. Paper Systems works with you to find the right bag in boxsolution for a wide variety of non hazardous liquids or viscousmaterials. Paper Systems family of liquid packaging productsincludes the âEZ-BULK®â, âEZ-DRAIN®â, âEZ-BULK 48 X 40®â , andâEXO-BIN®â. Paper Systems has been an industry leader in liquidbulk packaging and specifically the intermediate bulk containers(IBC) for over 20 years.