Some chemical properties of stored yam-cassava flour blends were studied.Yam flour (YF) and cassava flour (CF) weremixed at different proportions and packaged using High Density Polyethylene (HDPE) and Polypropylene sack (PP). The samples were subjected to chemical analyses (moisture, starch, amylose and sugar contents) at initial and 4 weeks interval. Results showed that there were significant (p