Does what it says, nothing more, nothing less.
This disc is exactly what I needed. Rather than buying and wasting many expensive BD-R discs, this allows me to screen short segments of an HD film with no drawbacks or wasted materials.

The disc itself is high quality. The 2x recording speed can feel slow sometimes but for all the data being written it is very reasonable. The jewel case it comes in seems sturdy and ready to last a long time. Sony makes great products and I look forward to many films ending up on this disc.

One more thing: the description does not make it completely clear if this is a rewritable disc or not but it IS in fact rewritable. Trust the picture.

Good Disc
Worked like a charm. Best on the market right now. But do your calculations. If it's a 3 hour movie and you write at 2x it's still going to take you 1.5 hours. I had 45 gigs to write and wow even at 2x that was a long time.