IWISA Super Maize Meal - Available in 5Kgs and 10Kgs Bags; Maize meal is a staple food from maize flour. Maize meal is enjoyed in almost all African countries. It's called Zadza in most parts of Zimbabwe, Posho/ Ugali in East Africa. The IWISA brand is one of the best Maize Meal brands in Africa and can now be ordered online.