Light a Candle $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". Light a Candle quantity Add to cart SKU: 122. Categories: Food, Friendship & Support, Humor. Related Products You Will Never Fly $20.00 With Every Great Loss $20.00 A Simple Thank You $20.00 Share an Umbrella $20.00