Run Home $20.00 Inside Message Inside:We Miss You 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". Run Home quantity Add to cart SKU: 555. Categories: Hearts, Sports. Related Products You Are So Good to Me $20.00 The Beet Grows On $20.00 Chocolate for My Bud $20.00 It’s not Which Way We Face $20.00