Speak Love, Sing Faith $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". Speak Love, Sing Faith quantity Add to cart SKU: 525. Categories: Baby - Parenting, Friendship & Support, Hearts, Peace, Sympathy - Healing. Related Products Acute Pain $20.00 Mind over motor $20.00 A Big Addition $20.00 Sweet Thanks $20.00