How to Clean and Care for Insulated Tumblers (So They Last for Years)

The 60-Second Daily Routine

Rinse your tumbler with warm water right after use, then wash with warm soapy water and a bottle brush — getting the brush down to the bottom corners where residue hides. Rinse well and let it air dry upside down with the lid off. Trapped moisture is what causes that stale smell.

The Lid Is the Real Problem

Coffee oils, tea tannins, and smoothie residue collect in slider lids, gaskets, and straws far faster than in the cup itself. Once a week, take the lid fully apart — remove sliders and silicone gaskets — and soak everything in warm soapy water for 15 minutes. A small brush or old toothbrush gets into the crevices a sponge cannot reach.

The Deep-Clean Reset

For stubborn odors or stains: fill the tumbler with hot water, add two tablespoons of baking soda, and let it sit overnight. For mineral buildup, a 50/50 mix of white vinegar and water for an hour works wonders. Rinse thoroughly afterward — nobody wants vinegar-flavored coffee.

What Never to Do

• No bleach. It can damage stainless steel and leave a taste that never quite leaves.
• No abrasive scrubbers. Steel wool scratches the interior and exterior finish.
• No microwave. Stainless steel tumblers and microwaves do not mix — ever.
• Do not seal it wet. Closing a damp tumbler is an invitation for mildew.

Dishwasher: Check First

Many insulated tumblers are technically top-rack dishwasher safe, but hand washing preserves the finish and any printed designs far longer. When in doubt, the 60-second hand wash wins.

The Bottom Line

A quality insulated tumbler can last a decade — the ones that die young are almost always killed by neglect, not wear. A minute of care a day is the whole secret.

Shop our insulated drinkware collection — built for daily use and easy to keep clean.