You can't. According to relevant information, in 2020, Shanghai will ban the use of non-degradable plastic shopping bags in catering packaging and take-away services. The market regulates and restricts the use of disposable plastic shopping bags. Before the end of 2020, non-degradable disposable plastic straws are prohibited in the catering industry in the city, and non-degradable disposable plastic tableware is prohibited in catering services. By the end of 20021,disposable plastic products will no longer be provided in star-rated hotels, hotels and other places in the city. By the end of 2023, the market will ban the use of disposable plastic shopping bags.