Once Upon a Time $20.00 Inside Message Inside: And Happily Ever After 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". Once Upon a Time quantity Add to cart SKU: 579. Category: Hearts. Related Products Heart at Work $20.00 You Are So Good to Me $20.00 The Beet Grows On $20.00 Each of Us Makes a Ripple $20.00