Each of these happy birthday cards measure 4 1/8” x 5 1/2”, making them the ideal size for personal notes. A pristine white envelope is included with every greeting card for your convenience. Sending a heartfelt handwritten note can truly brighten someone’s day, so why not grab a few of these cards by Melissa Hyatt and put a huge smile on your loved one’s face for their birthday? These heartfelt cards are thoughtfully designed and painted by Melissa and are proudly self-published.