Hydration innovation from Tervis. Snap top lid that's still big enough for ice cubes. Double walled construction reduces condensation and it still fits into most cup holders and bike cages. Tervis Tumblers are the strongest, most durable drinkware available. Featuring ultrasonically sealed double wall insulation & made of polycarbonate with the clarity of glass, they keep beverages hot or cold longer without a drop of condensation. Lifetime manufacturer's guarantee. 10.4x3.4x2.5.