ERGOTRON 97-546 Neo-Flex Cart Vertical Laptop Kit, For up to 17" Screens, Capacity up to 12lbs, Durable, easy-to-clean exterior, composed of high-grade plastic and powder-coated painted steel, BLACK Ergotron 97-546 kit includes a security system that offers theft deterrence as well as stability against unintentional bumps - no need for Velcro or adhesives.