Every Heart $20.00 Inside Message Inside Message: Is Within Reach 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". Every Heart quantity Add to cart SKU: 10066. Categories: Friendship & Support, Hearts. Related Products The Plot Thickens $20.00 Heart at Work $20.00 Squeeze the Day $20.00 The Beet Grows On $20.00