Never Look Back $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". Never Look Back quantity Add to cart SKU: 182. Categories: Sports, Sympathy - Healing. Related Products We All Seek Higher Peace $20.00 My Beer Has a Tear $20.00 If Fences Were Flowers $20.00 Trust the Moon $20.00