My Beer Has a Tear $15.00 Inside Message Blank Inside Packages of Heartstrings® cards are shrink-wrapped and sold in sets of 10 cards with envelopes. The actual card size is 4 1/4" x 5 1/2". Quantity Add to cart SKU: 371. Categories: Food, Sympathy - Healing. Related Products Flowers Chase the Blues $15.00 Thanks for Listening $15.00 You Will Never Fly $15.00 Speak Love, Sing Faith $15.00