I Snitch the Best $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". I Snitch the Best quantity Add to cart SKU: 209. Categories: Food, Humor, Women. Related Products Room With a View $20.00 When You’re Over the Hill $20.00 Whine Bottles $20.00 Fire Up the Choir $20.00