• Material: 14.77 oz/yd² (350 g/m²) paperboard •Sizes: Small: 4″ × 6″ (101 × 152 mm) •Medium: 5″ × 7″ (127 × 178 mm) • Product weight: Small: 0.39 oz (11 g) Medium: 0.6 oz (17 g) • Toner-based printing • Vibrant colors • Comes with a complimentary envelope