Hallmark Gift Card Holder (Happy Birthday Miniature Envelope) Built with a pop-out card tray, this innovative gift card holder decorated with circles and curling lines makes a fun way to present your gift for a special recipient. This gift card holder measures 5.25 inches wide by 4.50 inches high by .50 inches deep and can accommodate standard size gift cards. Includes one gift card holder that is ideal for birthdays. Hallmark gift card holders are made with paper from well-managed forests. Hallmark was founded in 1910 when 18-year-old J.C. Hall arrived in Kansas City, Missouri, with a couple of shoeboxes of postcards under his arm and the American dream in his heart. Hallmark greeting cards are sold online and in nearly 40,000 retail stores across the globe and people continue to recognize the iconic Hallmark brand as "the very best."