Heart trumps all $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: 1158. Category: Hearts. Related Products In Deep $20.00 You are the Rock in My River $20.00 I Only Have Irises for You $20.00 The Common Rope of Hope $20.00