these are 10 plates by Corning ware. they are pyroceram plates.
 they measure 7 1/4" across.
 they are lightly used, still look great.
they have a gray stripe around the outer edge, then a red stripe inside with a green stripe around it.
 i think these are salad plates or desert plates.
 the set has a total of 10 plates.
check the postage, these are heavier than corelle plates.