where to find small heart shaped bath bomb moulds

[tourist4ever]

I dont know why but i am struggling to find small (about 4cm ) heart shaped bath bomb moulds. i have only used stainless steel ones and i can only find silicone ones which I am not comfortable with. i've tried googling, ebay, amazon etc but smallest i can find is about 6cm. does anyone know where i could possibly find some?

 

[lsg]

https://www.amazon.com/Wendin-Metal...392&sprefix=heart+and+bath+bom,aps,134&sr=8-4