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Gear Review

1 5

Sea to Summit but not Microwave

On the bottom of the mug it has a picture of a microwave and so I did. After 2 minutes in the microwave the mug lid no longer fit, holes develped in the side, and the sleeve slid off.

Responded on


As the previous reviewer stated, the symbol on the base of the mug indicates dishwasher safe. The Delta series (bowls, plates and mugs) is NOT microwave safe.
However - if you contact me at, I'll provide you details of how to return the product - we'll be happy to exchange it for you


Barry Robertson
Sea to Summit Customer Relations Manager