Surprise -up birthday card: the surprise effect of the 3D birthday cards is much that of the traditional old-fashioned birthday card. When the card is opened, it automatically appears as a beautiful blue three-dimensional double cake, bringing you for the protagonist of the party. Exquisite packaging: On the outside of the -up card there is a beautiful dark blue envelope with hot embossed bronze envelope logo and the seal of the envelope is a heart-shaped design. The person receiving the greeting card will feel your deep love. Handwritten greetings: After opening the birthday card, you can write your greetings in blanks. In addition, each card comes with a separate birthday card. So you have enough space to write blessings for others. High-quality materials: the paper jam for making 3D card has a smooth , a pleasant feel, a considerable thickness, durability and no peculiar smell. The blessings you send / receive can also be stored for a long time. Birthday necessities and notes: on the birthday of your parents, children, grandparents or your friends or partner, our exquisite 3D birthday cards can deliver good wishes to you. Due to the display problem of the device, the greeting card received has a small colour difference from the picture, but this is within the acceptable range. size: 15 x 20cm Material:Paper colour:blue Package Contents: 1 x three-dimensional greeting card 1 x blank card 1 x envelope Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.