Bath bomb mould made in plastic is supplied in two halves - one half is a semi sphere and the top half has a concave dip. The diameter of the mould is 60mm.
Simply make your bath bomb as you would with a spherical mould and then a filling of your choice can be piped into the cavity. Your could also use just the dipped side of the mould for a flat bath bomb or even M&P soap.
In our tests the bath bombs without filling weighed on average 120g.
Image represents a bath bomb made in the mould - plastic mould only supplied.
Please note that some fragrance oils and essential oils can damage these moulds. Please always check the MSDS and Ifra details for the actual percentage of oils used in your recipe. Remove the bath bombs from the mould as soon as possible and wash in warm soapy water to remove all traces of oils and citric acid.