Box Contents: This card includes a beautiful 3D birthday card and a matching envelope. Made from premium cardstock, the card's 3D construction ensures durability and provides a professional and elegant platform for your best wishes. 3D Design, Surprise Blossom: The card features a delicate blue birthday cake theme and an intricate 3D construction. As soon as the card is opened, the vibrant image of the birthday cake appears on the card, creating an unforgettable surprise and elevating birthday wishes beyond traditional flat cards. Universally Applicable, Touches the Heart: The elegant and versatile design of this card is perfect for sending congratulations to friends, loved ones, family, colleagues, or that special someone in your life. Whether you're giving it to your husband, wife, or best friend, the eye-catching design adds a fun and interactive element to any birthday celebration. High-Quality Material, Lasting Treasure: Made from thick, premium cardstock, the card is durable and has a professional appearance. The advanced construction ensures a smooth pop-up mechanism and exceptional durability, making it a treasured keepsake. Ready to use, simply write as you wish: the product comes with matching envelopes and plenty of writing space inside. Easily write your personal birthday wishes and send them instantly, making the message complete and convenient. Features: This card cleverly combines craftsmanship and functionality, creating a rich, three-dimensional cake through refined paper craftsmanship. It's more than just a greeting; it's a miniature, displayable work of art that instantly enhances the ceremony and the joy of the celebration. Features: Material: High-quality cardboard Craftsmanship: 3D construction Package size: 14.6*14.5*1 cm Package weight: Approximately 40 g (Note: Actual product dimensions and weight may vary.) Package includes: 1 x 3D birthday card 1 x matching envelope Note: Due to manual measurement, the product size may differ by 1-2 cm. Due to differences in monitor displays, the product colors may slightly differ from the actual product. Please refer to the actual product for accuracy. This product is a paper art product with a three-dimensional structure. Please handle with care when opening and closing.