Give Peas a Chance $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". Give Peas a Chance quantity Add to cart SKU: 104. Categories: Baby - Parenting, Gardening, Humor. Related Products A New Pea $20.00 Flowers Chase the Blues $20.00 Giving is Receiving $20.00 Sweet Thanks $20.00