Dr. Pacik is now selling the glass dilators through the company that manufacturers them — Crystal Delight. Here is a link to their product page. You can order the dilators individually or in a set of 3 dilators with or without a pouch.

http://crystaldelights.com/shop/dilators/

Here is the link to his bio on their website

http://crystaldelights.com/us/products/our-dilators-the-whole-story/