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Double wall vacuum insulation maximum temperature retention & insulates hands from the cold
Keeps ice longer holds ice for up to 24 hours
18/8 stainless steel strong stainless steel construction
Narrow & tall design fits more cup holders. Keeps it hot works great for hot beverages
Do NOT place in dishwasher. Hand wash only RTIC 30 oz. Tumbler Editorial Review: 30oz. RTIC tumblers are stainless steel, double wall vacuum insulated. Keep your drinks ice cold longer - works great for hot beverages. The shatterproof and crystal clear lid lets you know exactly how much drink you have. Easy to clean.