Happy Holidays $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". Happy Holidays quantity Add to cart SKU: 10041. Categories: Christmas - Holiday, Cycling. Tags: bike, bike cards, bike christmas cards, bike greeting cards, chrismtas greetings, christmas cards, christmas greeting cards, cycling, cycling cards, cycling christmas cards, cycling greeting cards, sports, sports cards, sports greeting cards. Related Products May Peace Surround You $20.00 Warm Christmas Wishes $20.00 Vitamin XC $20.00 Ho Ho Hose $20.00