Send Yourself a Letter $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". Send Yourself a Letter quantity Add to cart SKU: 486. Category: Friendship & Support. Related Products A Simple Thank You $20.00 Chocolate for My Bud $20.00 Room With a View $20.00 Memories, Blue Jeans, Bicycle Seats and You $20.00
