Cat & Snow $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". Cat & Snow quantity Add to cart SKU: cat-snow. Categories: Christmas - Holiday, Pets. Related Products A staredown $20.00 A new leash on life $20.00 dry wind, dry food $20.00 Caw Caw Cawfee $20.00