Mighty Mug’s function is made to last. Constructed of high quality silicone, the Smartgrip function is made to work every time and last for the life of your Mighty Mug. The purchase of your Mighty Mug is backed by our Happiness Guaranteed policy, which means that if your Mighty Mug ever stops working we will replace it for you free of charge.
Modified on: Tue, 13 Sep, 2016 at 4:41 PM
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