" Our disc is compatible with Mitsubish, Panasonic, Sharp, Sony, JVC, Pioneer, LG, LiteOn, Philips and Plextor Drives " " Product ship from California, USA. " Product Features - Made in Taiwan - Recordable BD-R with 25GB capacity - High Definition Recording - Next generation optical disc format - Hard coating protects the disc surface against scratches and resists smudges from fingerprints, providing error-free Blu-ray Disc performance Storage Statistics - 5,688 MP3s (based on a 4.5MB MP3) - 17,066 photos (based on a 1.5MB photo) - 5 DVDs (based on a 4.7GB DVD) - 32 CDs (based on a 800MB CD) - 7,204,387 A4 pages with 3,726 characters per page The 25 GB BD-R had been produced on a BLULINE production system including a MoldPro molding machine combined with a Multi-Cathode Metallizer. The Blu-ray disc production systems of the BLULINE series are designed for the economical production of Blu-ray Discs according to the specifications issued by the BDA. The Blu-ray Disc series is on the cutting edge of technology using a blue-violet laser to record either high-definition (HD) video or high capacity gigabyte data files. The Blu-ray format has definitively established itself as the new standard in the movie and television market. High-definition television or HDTV (HD ready and full HD) and 3D, in combination with the video format Blu-ray, is the new technology of the media sector. You can check the contact information in seller help page - For contact point, please go to gigablockshop store front in amazon.