Shop › Happy Holidays Card Image 1 of 1 Happy Holidays Card $6.00 A cute Happy Holidays card to brighten up someone’s day. Envelope is included with purchase. Card size: 4.25 x 5.5 inches. Quantity: Add To Cart Added! A cute Happy Holidays card to brighten up someone’s day. Envelope is included with purchase. Card size: 4.25 x 5.5 inches.