Capacities vary widely across listings. Examples in the product details include 10 oz, 16 oz, 20 oz, 21 oz, 24 oz, 28 oz (and 28.7 oz), and 61.1 oz. Always check the product listing for the exact capacity before buying.
Many mugs include vented or steam‑release lids. Common features noted in listings are vented lids, small pressure vents or silicone vent tabs, and vent buttons that can be opened during microwaving to reduce splatter.
Listings describe lids with vents or steam‑release features. Typical guidance is to open or pull up a silicone vent, press a vent button, or remove/loosen the lid before microwaving to allow steam to escape and reduce splatter.
