KeepCup's insulated, stainless steel reusable cups are made with 90% recycled steel. Keep your hot drinks hot and your cold drinks cold with premium, dishwasher safe electropolished stainless steel built for life on the move. Available in cafe standard 6oz/8oz/12oz/16oz & 20oz sizes.

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What's the difference between the Commuter Iced Coffee Cup and the Thermal Cold Cup?

Both are vacuum insulated, electropolished stainless steel with a central straw valve — no taint, cold to the last sip.

The Commuter Iced Coffee Cup has a screw-fit colored Tritan lid for a more secure, expressive carry. The base is also compatible with the Commuter Travel Mug lid and Bottle lid — so one base covers every temperature.

The Thermal Cold Cup has a clear press-in lid. A simpler approach — and you can see exactly what's inside. Sometimes that's the whole point.

What makes KeepCup reusable insulated cups sustainable?

The insulated range is made from lead-free, 90% recycled stainless steel and needs 66 uses to beat the environmental impact of 1,000 disposable cup uses.

  • 90% recycled steel: Lead-free, electropolished stainless steel, engineered to resist rust and prevent flavors from lingering.
  • Electropolished, not coated: No ceramic coating means no flavor taint and one less manufacturing step, lowering embodied energy compared to coated alternatives.
  • Environmental payoff in 66 uses: A higher break-even than glass or plastic, because steel takes more to make — and then lasts.
  • Designed in Australia: Hand-assembled since 2011, and tested for food safety.

The 66-use figure comes from our independent peer reviewed 2018 Life Cycle Analysis.

Across the range: modular parts you can replace individually, single-material components that separate at end of life, independent food-safety testing, 100% recycled paperboard packaging, and made by a certified B Corp that gives 1% of global revenue to environmental causes.

What is the best travel mug material for hot and cold drinks?

It depends which you care about more: temperature or taste.

  • Insulated stainless steel: Best for keeping drinks hot or cold for hours. Electropolished rather than ceramic-coated, so there is no flavor taint.
  • Tempered glass: Best for taste. For the delicate flavors of specialty coffee it is hard to go past glass — tactile, beautiful, and it carries nothing forward from the last drink.
  • Lightweight plastic or Tritan: Lightest and most practical for commuting and everyday carry, with 50% recycled content.

If you want one cup that does everything, insulated steel is the safest choice. If coffee is the point, choose glass.

What’s the best material for reusable cups and travel mugs?

The best material depends on your lifestyle. Stainless steel keeps drinks hot or cold for longer, glass gives a clean cafe feel, and lightweight plastic is perfect for on-the-go ease. Every KeepCup is made with durable, food-safe, and recyclable materials designed for daily use.