Jakar rufewa ta baya, wacce kuma aka sani da jakar hatimi ta tsakiya, ƙamus ce ta musamman a cikin masana'antar marufi. A takaice dai, jakar marufi ce da aka rufe gefuna a bayan jakar. Kewayon aikace-aikacen jakar hatimin baya yana da faɗi sosai. Gabaɗaya, alewa, buhunan buhunan abinci nan take da samfuran kiwo na buhu duk suna amfani da irin wannan nau'in marufi.Za'a iya amfani da jakar lilin baya azaman jakar marufi na abinci, kuma ana iya amfani da ita don ɗaukar kayan kwalliya da kayan aikin likita.