Talk About It $20.00 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". Talk About It quantity Add to cart SKU: 745. Categories: Friendship & Support, Gardening, Sympathy - Healing. Related Products Flowers Chase the Blues $20.00 H2O $20.00 Paws in the Flowers $20.00 Give Peas a Chance $20.00