Seasons Greetings from the Rockies $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". Seasons Greetings from the Rockies quantity Add to cart SKU: 203. Category: Christmas - Holiday. Related Products Everything’s Gonna Be All White $20.00 Warm Christmas Wishes $20.00 One if by Land $20.00 Cranberries are Like Family $20.00