Chasing Tail $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". Chasing Tail quantity Add to cart SKU: chasing tail. Categories: Humor, Pets. Tags: art cards, art greeting cards, cat greeting cards, humor cards, humor greeting cards, Pets Greeting cards, unique cards, unique cat cards, unique cat greeting cards, unique greeting cards, unique pet cards, unique pet greeting cards. Related Products Room With a View $20.00 Working My Tail Off $20.00 It’s More than the shoes $20.00 All I Can Hear is My Heart $20.00