Wet-proof shopping bags
With the banning of cheap polybags for shopping, the shoppers face problems carrying wet and frozen purchases as the other contents of the bag get spoiled. Hence the local private industry may produce cheap wet-proof sheets like greased paper and other products for approved sale. Perhaps, these could be produced from recycling the city's collected garbage.
It is not clear why the authorities do not announce substitutes for cheap shopping bags. There must be some synthetic sheets which are wet proof and at the same time environment-friendly. No big research is required. The problems of the millions of shoppers are ignored.