Are you in the Custom Crafting Field or Just want a hobby.
I searched for a while to be able to have a mold that is Nice and thick and durable. After half a year of trying all the wrong molds and sizes. I had found the for that is a Bestseller. One that words well for my craft and my customers.
Here is one of the Most Popular Silcone Molds.
Professional Tournament Size Silicone Domino Mold. Resin and Epoxy friendly. Easy to pop out No Mess.
Jumbo Tournament Size Silicone Domino Mold LARGER Than Professional Size
Size is as follows: 2-3/16'' Long by 1-3/32'' wide by 1/2'' Thick
This is the Size people like to play with.
2 Free Links Below!!!!