The Silk Thumb LTD 1822 2nd St, Highland Park, IL60035 The Silk Thumb LTD opened in 1980. They sell high quality artificial floral arrangements. They also sell custom…More artificial trees and gift cards. The Silk Thumb also has interior designers on staff to help create a beautiful room using their products. They have been featured in the Chicago Tribune, The Chicago Sun-Times, and local CBS and ABC news.