Those sound like the Black Diamond ones.  Only difference is that the 
writable side isn't blue, it is black also with 1/4 of it silver to write on. 
 And the don't come with cases, just on a spindle.  But, you can't chip off 
the writing side.  

James

On Monday 04 June 2001 16:33, you wrote:
> "Thomas T. Veldhouse" wrote:
> > I use about 200 disks a year.  It is a pain in the but to label them all.
> >  I just write on the disk and go.  Much of it is large works in progress
> > (snapshots if you will) and FreeBSD snapshot binary disks as well as
> > various Linux distributions.
>
> We go through about 200 CD's in a slow month. :-)
> We get the high quality ones.  Completely opaque back.
> More durable than a sticker and can't be pealed of at all.  You have to
> chip this stuff off and can't do that without destroying the CD.
> Very nice.
> They cost $1.20 a piece. :-(
> Considered well worth the price for what there used for.  Have never, ever
> had a bad disk.
> The writable side also has a very nice blue color to it.  Come with the
> cases in a seperate box and the CD's on spindles of 50.
> I love working with high quality equipment.  No messing around with crap.
> I like my job. :-)
>
> sim
>
>
>
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-- 
James Spinti
jspinti at mn.rr.com