This is a pair of large yellow plastic salt and pepper shakers by Lustro-Ware. They have yellow lids and the letters S and P letters with flowers on the front. Each is 3 1/2" tall and 2 1/4" wide. They are in very good condition. They are not signed, but they are definitely Lustro-Ware pieces from the 1950s. Lustro-Ware made lightweight hard plastic pieces from a thermoset plastic polystyrene. They are thinner and more brittle than melmac, but durable if treated properly.