This shape-shifting wonder holds a whopping 20 oz (590 ml) of liquid when full, and collapses into a polite sphere when empty. Save even more space by attaching it to your bag strap, and show off how efficient you are.
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This shape-shifting wonder holds a whopping 20 oz (590 ml) of liquid when full, and collapses into a polite sphere when empty. Save even more space by attaching it to your bag strap, and show off how efficient you are.
