The bag, which can be rolled up and kept in a pocket, gets automatically decayed after use for two years.
Director of sustainable solutions centre of the university U.K.P. Epa said it was a timely decision to ban the use of polythene to protect all living beings and the environment.
He handed over the first bag to Prof. D.M. Senasinghe, the vice chancellor.
Its registrar W.M. Karunaratne, media faculty director Prof. Rohana Lakshman Piyadasa and others participated.