Mobile Wire Shelving System w/ 12 QuanTub TotesQuantum Mobile Wire Shelving System with 12 QuanTub Totes QuanTub totes are made out of USDA FDA approved materials. These heavy duty totes work great with restaurant and food service applications. They are constructed of injecton molded high density polypropylene and can hold up to 100 lbs. each. This unit comes with 12 totes, they are lightweight, economical and they nest easily allowing for greater space saving capability. The wire shelving system