

This is a replacement sliding lid for the Ember Mug 2, sold in a 10 oz version and a 14 oz version. It seals the top of the mug to limit splashes and, according to Ember, roughly doubles battery life by trapping heat, so the mug holds temperature longer between charges. The 10 oz lid fits the 10 oz Ember Mug 2, the Ember Cup and the Ember Tumbler; the 14 oz lid fits only the 14 oz Ember Mug 2. It is not compatible with the Ember Travel Mug, and the mug itself is not included. Buyers rate it well, though some find the sliding cover fiddly to clean and the fit model-specific.
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Buyers rate the lid highly and mostly talk about longer battery life and fewer spills. Complaints center on cleaning the sliding mechanism and on getting the right size for their mug.
This sliding lid fits the Ember Mug 2. It helps keep the drink from splashing. It also doubles the mug's battery life, so the drink stays warm for longer.
The lid comes in two sizes. The 10 oz lid works with the 10 oz Ember Mug, the Ember Cup and the Tumbler. The 14 oz lid works only with the 14 oz Ember Mug. Neither lid works with the Ember Travel Mug.