Happy Birthday Cut and Run $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". Happy Birthday Cut and Run quantity Add to cart SKU: 425. Category: Birthday. Related Products This Too Shall Pass $20.00 enjoy the journey $20.00 Fire Up the Choir $20.00 Celebrate Something Every Day $20.00