To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
Typical low cost DVD-R disks usually get 3-5 disks bad, but not this one. In one stack I only had 1 disk fail. The disk face is easy to write with indelible ink pen, and the white color makes it easy to read.