4 Pcs. 1979 McNees SS Original Potato Serving Bowls. Marked M-354. They  are Ceramic. Each one measures about 6 1/2" long by 4" wide by 2" deep. They are in great used condition. One has two tiny chips on top lip that can be seen in photos. They are a few areas on the back that have some slight scuffs that can also be seen in photos.