Maxell 634045 DVD-RW Blank Disc - Rewritable 4.7 Gb with Slim Jewel Case, 120min & Max Up to 4x, Superior Archival Life Digital Storage Playback & Up to 1000 Rewrite - 5
Maxell 4.7 GB DVD+R Color 5pk Card (5-Pack) : Amazon.ca: Health & Personal Care
DVD-R vs DVD+R & DVD-RW vs DVD+RW: What's the Difference
DVD±R/DVD±RW/DVD-RAM 等の違いがざっくり分かる | でんすけレンタル
What does the "RW" logo mean in a DVD+R? - Super User