Lisette and All,

Have asked the other half if she has seen these drapes you are looking
for in any of the catalogs she gets in the mail.  Has informed me that
she has seen them in Dr. Leonards catalog, one set being foam backed.
Cannot vouce for how well they give total darkness.

http://www.drleonards.com/Home-Furnishings/Windows-Walls/104600/999/2/products_page.cfm

The other catalog is from the Vermont Country store.  They offer four
seasons blackout curtains

http://www.drleonards.com/Home-Furnishings/Windows-Walls/104600/999/2/products_page.cfm

Hope this helps in locating the drapes you are looking for.  If all
else fails, black plastic attached with velcro strips around edge of
curtains might provide the darkness you seek.

Gerald in IL

[Posted in FML 5400]