You can look on ebay: sveta22 & fapedo. Most ebay corsets i bought were very disappointing. Some much more expensive then these two. My latex corset from sveta22 is a few years old. It is a S, and i'm no S

. I can completely close it, and tighten it very hard without any problem.
My long satin corset from fedapo is made of satin. It also is very, very good quality for its price. it has sufficient eyelets, so you can tighten it easy.
if you want the very best, i suggest
www.blackstyle.com