Columbia Blue Marble Poster 18x24

Museum-quality posters made on thick and durable matte paper. Add a wonderful accent to your room and office with these posters that are sure to brighten any environment. Poster size is 18 x 24 inches.

• Paper thickness: 10.3 mil
• Paper weight: 5.57 oz/y² (189 g/m²)
• Giclée printing quality
• Opacity: 94%
• ISO brightness: 104%