This is an beautiful 9 piece water set that glows with a rainbow of iridescence! This Bird #670 AKA Robin set was produce by the Imperial Glass Company in 1971 to 1972. The pitcher stands appr. 8 1/2" tall, the tumblers stand 4 1/4" tall and 2 7/8" diameter at the mouth. On the bottom of the pieces is the Imperial Glass impression. The pitcher and tumblers are in excellent condition with no scratches, chips or damage of any kind.