Ember®
Ember Tumbler
Ember Tumbler
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Designed to be used wherever life takes you, the Ember Tumbler does more than simply keep your coffee hot. Our largest mug yet, the 16 oz Tumbler allows you to set an exact drinking temperature and keeps it there for up to 3 hours, so your coffee is never too hot, or too cold. It features our most advanced chip ever for improved Bluetooth® reliability and a simplified pairing process. All Tumblers come with two lids, letting you choose between the leak proof Handle Lid or spill proof Sliding Lid.
Made with a durable stainless steel construction, Ember Tumbler is easy to clean and is safe to submerge up to 1 meter in water. Both lids are dishwasher safe. Fits most car cup holders with at least 3.5” diameter.
Why Function Coffee Co?
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☕ Fresh Roasted, but for real tho
We small-batch roast our beans to order weekly. Most of the 'Big Coffee' brands on shelves were roasted 6–12 months ago. Not cool.
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🫘 No BS. No filler. No shortcuts.
Specialty Coffee that Hits Different. Our beans are selected for quality and flavor — not just volume. Just better coffee.
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🌎 Sustainable Roasting
Ethically sourced and roasted on a Bellwether roaster that uses up to 87% fewer emissions than traditional gas roasters.