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 A Little Bird Told Me $20.00 This Too Shall Pass $20.00 Mountains of Wishes $20.00 The Wish $20.00