If all you are looking after is clean and high-quality thank you card and envelope mockup. You are on the right page. Resource Boy offers you this pretty mockup, it includes a thank you card, which you can use for other kinds of cards, like postcards and there is an envelope, too. Using this mockup you can share your design ideas properly and just enjoy your work without any trouble.
You can deliver nice-looking results with this mockup which has a 3500×2500 pixels resolution. Get the PSD file for free and simply change the color of the thank you card and the envelope or add your own graphics in just a few clicks, using the smart layers.