Regatta Thermulate Tumbler - 900ml - Black

The tumbler is constructed with durable 304 stainless steel for both the interior and exterior.

It can keep drinks cold for up to 12 hours.

It can keep drinks hot for up to 6 hours.

Yes, the tumbler features a spill-proof lid design for reliable transport.

This tumbler is not recommended for carbonated beverages, as pressure can build up within the sealed container.

No, it is recommended to hand wash the tumbler and lid to preserve its insulating properties and prevent damage to the lid mechanism.

The tumbler weighs approximately 400 grams.

Ensure the lid is tightly sealed. Pre-heat or pre-chill the tumbler with hot or cold water for 5 minutes before filling. Avoid frequent lid opening.

Check for any obstruction or debris around the lid seal or flip-top mechanism. Rinse the lid under warm water if it feels stiff.

Verify that the lid is properly screwed on and all seals are in place and clean. Ensure the flip-top straw is fully closed.

Hand wash thoroughly with warm, soapy water and a bottle brush. For stubborn odors, try a mixture of baking soda and water, let it sit for a few hours, then rinse well.