Soon as I saw this invitation, I told myself to get the same materials that they used and just made a twist for the thank you card.
Here's the card that I made:
Stamps: Sentiments Set by Grace Taylor
Paper: Pearlescent Eggplant cs, Pearlescent cream cs, specialty paper, SU! Very Vanilla
Ink: Versacolor Violet
Accessories: Spellbinders Circle Nesties, Fiskars Circle punch, Cuttlebug Textile embossing folder, heat gun, clear ep, corner punch, pop dots