30 oz Alpha Tumblers are stainless steel, double wall vacuum insulated. Keep your drinks ice cold longer - works great for hot beverages. The crystal clear lid lets you know exactly how much drink you have. Easy to clean. Best quality among other tumblers.

• Strong stainless steel construction.
• Keeps ice longer holds ice for up to 24 hours.
• Double wall vacuum insulation maximum temperature retention.
• Easy grip base with taller base ensures a better grip and better fit in cup holders.

Strong stainless steel construction.R&J Alpha