MoMA Exclusive: "Happy Holidays." Eight cards with 3D elements. White envelopes. It’s Christmastime in the city with this pop-up design by Peagreen: fireworks burst above rows of apartment buildings, stores and a church, all with metallic accents. All of our 3D and pop-up cards are created by renowned paper engineers and emerging and established designers. They’re printed on uncoated paper for ease of writing, and a rich texture and finish. Each card measures 4.5h x 6.25"w.