Need a little flex in your life? Give them a birthday greeting card they'll never forget! Our "Happy Birthday" muscle man card is the perfect way to add some laughs and flexing to their special day. Show how much you care with a wink and a wish, contained within our high-quality card made with 270gsm paper and available in four finishes. Our card also comes with envelopes for easy sending and is sourced from sustainable paper from FSC® and SFI® certified facilities. So, don't forget to send your best wishes and hope they don't overdo the flexing!