The Vise Add-On bag can be used to attach to the Vise 2 Ball "Clear Top" Tote Roller. This bag has clips that allow it to attach to the Vise Roller/Tote for easy transport. The large size of the bag allows it to accommodate varying sizes of shoes. This add-on bag also helps traveling come easier. Fabric: Designed with 1680 durable denier matt (nylon) fabric Clips on to the 2 Ball Clear Top Roller/Tote Large storage area to fit varying shoe sizes Durable zippers Reinforced stitching 5-year limited manufacturer's warranty