Celebrate Winter $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". Celebrate Winter quantity Add to cart SKU: 915. Categories: Skiing, Women. 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 No Mountain Says No $20.00 Snow on the Rim $20.00 Vitamin XC $20.00 To ski or not to ski $20.00