Nurture soap supplies has a wood mold for the red silicone liners. The web page says the sale goes on until today. I have this in my cart and it shows the sale price.
http://www.nurturesoapsupplies.com/...d-for-essential-depot-liner.html#.UnRAPzD9H4I
http://www.nurturesoapsupplies.com/...d-for-essential-depot-liner.html#.UnRAPzD9H4I