This awesome silicone mould is Dishwasher Safe, Easy Clean and Microwaveable.
These are a decent size and great just as a gift on their own. You could carefully use these as bath bombs however you would need some experience on how to do this.
These come in a red colour
Size of mould - 30cm length by 17.5cm width and 3cm depth
The size of the individual moulds vary but they are approx- 6cm by 7cm by 2.5cm deep