38 Mitsui digital audio discs. These are the special version for use in consumer CD burners such as those made by Denon, Pioneer, and TDK. They are in boxes of 10. Three boxes are still in shrink wrap. I've used 2 discs of the opened box, hence 38 rather than 40.
650MB, silver recording surface.
Shipped via priority mail anywhere in the US for $27.
