Vintage MCM Salad Bowl Set Orange Swirl Dinnerware 5 Pieces Collectible. Bowls are vintage Mid Century Modern pre-owned. Please see all photos for visible condition. No original box. Actual age unknown but these were my MILs and not used. There are a few minor scratches on the bottom of the big bowl from storage. One big bowl for salad and 4 small serving bowls. I think they are made out of fiberglass based on feel but material unknown. Brand unknown. Big bowl is approximately 9.75 inches x 4 inches. Smaller bowls are 5.75 inches x 1.75 inches.