Libbey’s exclusive DuraTuff® treatment is a special thermal after-process for “pressed” tumblers and stemware that produces durable glassware with prolonged service life for the foodservice industry. Look for the DuraTuff® name embossed on all Libbey DuraTuff® tumbler and stemware products, such as élan®, Endeavor®, Quadra V, Gibraltar®, Everest, PaneledTumblers, Inverness, Dakota, Restaurant Basics, Casual Coolers and Winchester.
