" Fast Domestic Delivery in 3~4 days Secured , for orders through Gigablockshop " " Product ship from California, USA. " Gigablock professional grade DVD+R Dual Layer disc. This Prime DVD+R Dual Layer media is capable of storing up to 8.5GB of data and approximately 240 minutes of video playback using existing DVD players and computer based DVD drivers. This DVD+R Dual Layer media allows the storage of home movies, television programming, computer data, Internet downloads, multimedia programs, music, photographs, video footage and more.(an additional 120 minutes more than regular DVDs!) You can check the contact information in seller help page - For contact point, please go to gigablockshop store front in amazon.