TRIPLE INSULATION TECHNOLOGY: Each 64Hydro tumbler has double-walled, vacuum-sealed and copper-coated insulation, which helps keep drinks cold for up to 24 hours & hot for up to 12 hours.

CONSTRUCTED OF 18/8 STAINLESS STEEL: Known for its strength and purity, our 18/8 food-grade tumbler won’t break, rust, retain or transfer flavors. Unlike other tumblers, our tumblers provide a clean, non-metallic taste.

ANTI-LEAK, BPA-FREE FLIP LID: Each tumbler comes with an Anti-Leak, BPA-Free flip lid. The lid will prevent any accidental spills. Anti-glug hole ensures the smooth flow of water and a comfortable drinking experience.

NO SWEAT, NO PROBLEMS: Our copper wall layer creates a condensation-free exterior that won't sweat on your hands or in your bag

BPA FREE: Sip healthy with our BPA-Free tumblers that are made without phthalates and toxic materials.

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