The Reduce Aspen 20 oz insulated glass tumbler combines a borosilicate glass upper with a vacuum-insulated sleeve to help keep drinks cold for up to 12 hours. Its extra-wide straw works especially well for boba, smoothies, iced coffee, and other cold drinks, while the cupholder-friendly shape makes it practical for commuting, work, and travel.
The 2-in-1 design lets the lid and straw fit both the glass and insulated sleeve. It’s BPA-free, dishwasher safe, and features a Soft Sit™ base designed to reduce clattering and help protect surfaces.
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