just add flour $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". just add flour quantity Add to cart SKU: 10048. Categories: Food, Friendship & Support, Gardening. Related Products If Fences Were Flowers $20.00 Blue Columbine $20.00 Give Peas a Chance $20.00 The Plot Thickens $20.00