A collapsible cup that folds down to under 2cm so it packs flat into a bag or a pocket. The silicone sidewalls do the collapsing, while glass-reinforced nylon rings at the base, rim, and middle hold the cup's shape when it's open and give you something firm to grip. Those rings also keep your fingertips off the hot silicone when you're drinking something warm. It holds a normal cup of coffee or tea, and it's designed to nest with the rest of the Frontier dinnerware and the 2L pot for tidy packing.
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