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 Give Peas a Chance $20.00 Heart at Work $20.00 In Deep $20.00 Just a Little Mistake $20.00