1. Quantity: You will receive 20 invitation cards and 20 envelopes. 2. Dimension: The invitation cards are 4 x 6 inches (W x L), double-sided. 3. Materials: Each card is professionally printed on sturdy matte card stock paper that is easy to write on & the ink does not smear. 4.Design: The black and gold colors give the invitation card a textured feel. The fill-in style leaves enough room for additional information to be written. Perfect for a birthday party invitation!