Lost Witchout You $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". Quantity Add to cart SKU: 1087. Category: Misc Occasions. Related Products Indognito $20.00 Relish the day $20.00 Crow’s feet, spider veins, bat wings $20.00 Tie your cape, floss your fangs, be nice to other ghouls $20.00