These postcards are made from thick high-quality matte paper, so they serve as a great addition to a gift or just a thoughtful written note to a friend. • Cardboard paper • Paper weight: 7.67–10.32 oz​/​yd² (260–350 g​/​m²) • Size: 4″ × 6″ (101 × 152 mm) • Paper thickness: 0.013″ (0.34 mm) • Coated outer surface