With a larger capacity then the CD-R, the Archival Gold DVD-R lets you store more images in one location. The innovative materials and manufacturing methods used to produce Archival Gold DVD-R's make them among the most reliable storage media available. Other DVD-R's may deteriorate quickly due to common environmental factors: ultraviolet light, heat, and humidity. Using N.I.S.T.'s (National Institute of Standards and Technology) accelerated aging process to test the longevity of DVD-R media, the Archival Gold DVD-R has been shown to safely store your images for more than 100 years.