Single-sided 2-layer 8.5 GB high capacity DVD+R DL Single Recording DVD+R DL / Supports 2.4-8x Recording / 8.5 GB / Printed area with a standard inner diameter of 1.5 inches (38 mm) to 0.9 inches (23 mm). It can print beautifully to the center of the disc. *This product is sold and supported by a domestic agent: I-O data device.