The Menda Tool Box (Item 35870) is made of yellow polypropylene using durAstatic E9 technology. It is permanently static dissipative. RTT: 10e9 – 10e10. There is no surface coating to rub off. It is washable and easy to clean. The size is 14.5” x 7.5” x 5”. This is the perfect tool box to use when servicing assemblies and machines that have ESD sensitive components.For additional information, contact Menda.* Static dissipative * Made of polypropylene * Includes inner lift-out tray for added storage * Clean, no surface coating to rub off, washable * Size: 14.5" x 7.5" x 5"