Give your dog a throne $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". Give your dog a throne quantity Add to cart SKU: 900. Category: Pets. Related Products Hi $20.00 Starve a Cold, Feed a Retreiver $20.00 Everything is Within Reach $20.00 Always There When the Chips Are Down $20.00