Calvin Hall Premium Thick-Wrap Canvas Wall Art Print entitled Northern Lights Over Chugach Mts Knik River Southcentral Alaska 30"x20" Made in the USA. 365 day workmanship guarantee. Archival-quality UV-resistant inks. Pigment-based and designed to last. Canvas Depth: 1.25 inches Material: Artist-grade Canvas Premium Canvas 30" x 20"