Hello Kitty Birthday Heart Cake Pop Up Greeting Card The beauty and intricate design of this card makes it a special greeting that can be displayed and enjoyed. Pops up with built-in base for display purpose. Each card includes an envelope (Pink). Truly collectible Hello Kitty 3D Pop Up birthday greeting card. Message space on back. Quantity: 1 item. Product Dimensions: 6.8 in. x 5.2 in. Material: Paper. Product of Japan. SANRIO