The folded note cards are printed on white matte card stock. They are blank inside for your message. Measuring 4.25 x 5.5 inches (A2 size), the cards are paired with brown kraft envelopes and come packaged in an eco-friendly protective sleeve. DETAILS ✿ Printed on high quality matte paper with archival pigment ink ✿ Paper is heavyweight 60lb. & bright white which makes the colors vibrant! Paper is also acid-free. ✿ Size (folded): 4.25" x 5.5" (A2 size) ✿ Brown kraft envelopes included. ✿