A Flower and a Prayer $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". A Flower and a Prayer quantity Add to cart SKU: 570. Category: Sympathy - Healing. Related Products Always There When the Chips Are Down $20.00 My Beer Has a Tear $20.00 Flowers Chase the Blues $20.00 You Will Never Fly $20.00