The eggs possess a thin but strong outer shell made of calcium carbonate (CaCO3) crystals. It is a semi-permeable membrane with pores that allows the passage of air and moisture through them. Therefore apt and used for decoration purposes as it holds watercolors, acrylics, oils, etc., when painted. Eggshell paint is a newly found craftwork where the shells are painted to a satin finish and low luster after the egg is emptied. Here special care is taken in the last touch-up stage with precise bordering, merging layers, and other visual effects for making the main patterns stand out.

Kolkata is a place from the state of West Bengal, located along the banks of the Hooghly River. This second-largest city of the country is often regarded high in the world market for its handlooms and handicrafts. Mrs. Sonia from New Alipore of Kolkata is a trained painter, now running workshops on fine arts especially painting for young girls from the locality. She is an active participant in art exhibitions hosted across the country. Her collection of natural and recyclable products includes eggshell paintings and paintings on paper, wood, glass, etc.

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