plastic cutlery and tableware made in at least two parts joinable to form a unitary utensil , serving piece , beverage container or non - food contacting tableware in which the two parts are made of different materials . the materials of the two parts differ in at least one of the following : color , type of plastic , grade of plastic , source of plastic , and additives such as the presence of an anti - microbial agent , transparency , or reflectivity . food - grade resins , for example , can be used for the heads of cutlery and recycled resins are used for the handles . heads can be separately metalized and then joined to non - metalized handles . handles may be made to fit to different types of heads . the two parts of the cutlery may be joined by inserting a tang extending from one into a cavity formed in the other . the two parts of tableware may be joinable by a snap - fit configuration .