The Shell Star Soap/Bath Bomb Mould has a few options in one place. There are two styles of star cavity and one large shell cavity on the one mould that are suitable for soaps and bath bombs depending on your whim.

Shell 7.2 x 8 x 2.5cm
Capacity: 55gm

Tapered Star: 9 x 9 5.5cm
Capacity: 60gm

Solid Star: 7 x 7 x 2.5cm
Capacity: 75gm