The kit I used is from Michaels and it is a two part silicon kit that is FDA food safe approved. It has a quick setting time though. Like 2 minutes so it is important to have what you want to mold ready and at your fingertips.
This is the mold, lace and fondant all together
This is the close up of the fondant after embossing it in the mold.
Creating the mold was so fun and creative, I didn't think that it would be easy but it really was. I am going to try the Make Your Own Molds kit next time now that I have tried it and liked doing it.
Here is the sight that I am going to make my next purchase from -