550ML Coffee Cup Foldable Portable Silicone Water Cup Multifunction OutdoorTravel Pluggable Straw Drinking Tumbler Tea Mug|Pitchers(Pink) Style: Folding water cup Material: Silicone Capacity: 550ml Function: foldable Size: 85mm*150mm before folding 65mm*85mm after folding Features: The cup has a heat insulation circle, which can stabilize the cup body and effectively prevent heat. Metal hand buckle, easy to carry and detachable. The non-slip thickened bottom of the cup is safe and three-dimensional without collapsing. product details: 1. It is foldable and portable, suitable for various places, small in size, easy to carry, and it does not take up space in a backpack. 2. Fine workmanship, smooth and textured surface. 3. High temperature and low temperature resistance, no deformation, withstand temperature -40°c—200°c