Contigo Autoseal West Loop, $11 after 20% Prime Discount

For a limited time, Amazon’s running a 20% off Prime Day promotion on our readers’ favorite travel mug, which brings the 16 oz. black model all the way down to $11, one of the best prices we’ve seen. These mugs are cupholder-friendly, easy to clean, and will maintain a hot beverage hot for up to five hours, or a cold drink for up to 12.