​A study by the Department of Environment, Parks and Recreation, JASTRe showed from three thousand to eight thousand plastic bags were used at each supermarket in the country on Saturdays and Sundays.  The JASTRe study also discovered each supermarket uses from between one hundred thousand to almost four hundred thousand plastic bags on the said days each year.  According to the Minister of Development the findings did not include the use of plastic bags on other days or those used by grocery stores, night markets and stalls throughout the country.   Speaking at the Launch of Penambahan Hari Khamis **Ke Arah Setiap** Hari Tanpa Beg Plastik' this morning Yang Berhormat Dato Seri Paduka Awang Haji Suhaimi bin Haji Gafar said plastic does not degrade or decay easily and will remain at the disposal areas for a long period.  The study also showed sixteen percent of materials thrown at the garbage disposal sites are plastic.  Adding Thursday is part of the measure to implement 'no plastic bags day' every day.