3D Greeting Card - BABY MOBILE - All Occasion Personalize your greeting in the provided space and mail in the included envelope. All Treasures cards measure 5" x 5" when closed. The fun, eye-catching Treasures line of greeting cards, featuring engaging designs and surprising pop-ups are irresistible. They incorporate a combination of designs with pop-ups, richly embellished with glitter, ribbons, lace bows, soft plush and other items. Treasures cards charm senders and recipients alike!