Each of these nature themed cards measures 4 1/8” x 5 1/2”, making them the ideal size for personal birthday note, thank you or even an anniversary card.. A pristine white envelope is included with every greeting card for your convenience. Sending a thoughtful message can truly brighten someone’s day, so why not grab a few of these cards by artist Melissa Hyatt and put a huge smile on your loved one’s face? These floral watercolor cards are thoughtfully designed and painted by Melissa and are proudly self-published.