The Kanthas or embroidered wraps are the priceless collection of this museum. People from all over the world refer to these collections (210 in all), which were made in the early 19th to early 20th century by the Bengali womenfolk. Majority of the collection of this museum are from undivided Bengal, collected personally by Shri Gurusaday Dutt in the early 20th Century. Incidentally Gurusaday Museum has the largest number of Kanthas in the world in its collection.

Kanthas are generally meant for regular use in the Bengali village households as wraps, light quilts, bedspreads, etc. They were originally made by hand stitching several layers of old & used saris or fine cotton cloths and then embroidering them with floral, animal, human or geometric folk motifs. The womenfolk painstakingly makes them still today, during the leisure hours. These Kanthas, the highly decorated ones, were also gifted to the daughters during their marriage ceremonies and as a token of love. The old and highly decorated Kanthas have now become collectors item. They have also become a major folk art industry of Bengal and are done on all kinds of dresses - from Designer Saris to Men's Kurtas.