Ski Tree $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". Ski Tree quantity Add to cart SKU: 1125. Categories: Christmas - Holiday, Skiing. Tags: ski, ski cards, ski christmas cards, ski greeting cards, skiing, skiing cards, skiing christmas cards, skiing greeting cards, sports, sports cards, sports christmas cards, sports greeting cards. Related Products May Peace Surround You $20.00 Christmas to the Core $20.00 Seasons Greetings from the Rockies $20.00 Across the Miles $20.00