The Bertoia Molded Shell Stool (1960) merges the grace of Harry Bertoia's wire-form design from 1952 with a touch of color and natural flex. Choose a matching color for the molded nylon seat shell and welded steel rod frame or mix it up for a totally unique look. This is the authentic Bertoia Molded Shell Stool by Knoll. A sign of authenticity, the KnollStudio logo is stamped into its base. Made in Italy.