25kg Bicarbonate of Soda. Tata brand fine grade, food grade and in our opinion the absolute best grade of bicarb for bath bombs, shower bombs, shower steamers and bubble bars. 

Bicarb food grade fine powder makes the best bath bombs, also widely used in natural cleaning. A versatile ingredient with so many uses.

As confirmed by the manufacturer this product is Vegan.

Bicarbonate of Soda MSDS

Bicarbonate of Soda Specification