Didn't get them back, but molds are easy and free for me.
There are a bunch of companies that do it. The cheapest I found was $200. But just like a car as I added options they were $400.
Acs comes with all the features standard, and only charged $20 for shipping. Some US companies wanted $100 just for shipping to Canada.
ACS is a high end company doing these for major musicians and they have the F1 contract.
Despite their stature the head of sales for North America emailed and called me directly at 11pm on a weekend to answer my questions. I was floored.
Kevlar wires, silicon soft molded plugs and they included a dehumidifier as well.