3D Pop Up Card Envelope size: 125mm x 245mm Envelope: white color Blank inside for your own message Beautifully engineered with handcrafted perfection. These dimensional cards, hand-made with a patent-pending process, offer a simple, diverse message for a variety of occasions, blank on the inside for personalization. New designs were created with six-layered, laser and die-cut paper techniques. Flat pack, pop-up image, and information sheet on the front packaging.