
Thomson Reuters Foundation/Rafiqul Islam
Bangladesh’s Sonali Bag project connects an established agricultural fibre with the search for alternatives to disposable plastic. Jute is familiar as the coarse material used for burlap, but its cellulose can also provide a starting point for a thin, plastic-like sheet. In the 2019 account, Bangladesh was described as the world’s second-largest jute producer after India. The project promised a new use for a crop long known as the country’s “golden fibre,” a name associated with both its colour and its economic importance.
Scientist Mubarak Ahmad Khan developed the jute-derived material, turning a familiar plant resource into a different kind of packaging. The result was designed to resemble an ordinary carrier bag rather than a woven sack, an important distinction for people expecting the texture and flexibility of plastic. Its environmental promise concerned the finished material’s ability to break down as well as its plant-based origin.
The 2019 report put experimental production at about 2,000 bags a day and described plans to expand after an October 2018 agreement with the British arm of a Japanese packaging company. These figures describe the pilot stage of the project, before the hoped-for move into larger-scale production.
In March 2019, then-prime minister Sheikh Hasina urged the project’s participants “to help expedite the wider usage of the golden bags” for economic and environmental gains, according to Global Citizen. Global Citizen’s 2019 report
In April 2019, the government approved approximately $900,000 in funding from Bangladesh's climate change trust fund to help pave the way for large-scale production of the bags.
Sonali Bag’s development and later use
The jute-based product is known as the Sonali Bag. In June 2023, UNDP Bangladesh described introducing the bags for United Nations staff and credited scientist Mubarak Ahmad Khan with developing the jute-derived polymer. The announcement brought the idea into an institutional setting, where staff could encounter the material through everyday use. It also connected the product with public awareness of plastic pollution, rather than treating invention alone as the end of the story. A successful alternative needs a route from development and pilot production to dependable supply, a question distinct from whether a sample bag can be made. UNDP’s Sonali Bag announcement.
From a new material to an everyday bag
For a shopper or organization considering an alternative, the useful questions are practical: will it carry the intended load, can it be used again, and where should it go after use? A plant-derived ingredient is one part of the explanation, while the finished material and the conditions in which it breaks down are separate matters. Procurement decisions would benefit from clear test results, disposal guidance and reliable supply information. For Sonali Bag, those practical questions connect the laboratory achievement with the experience of carrying, reusing and disposing of a bag.
Replacing the material is one possible change; reducing unnecessary bags is another. The project’s significance lies in bringing a locally important crop into that wider discussion about packaging, production and waste.

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