This collapsible silicone cup with straw is suitable for takeaway smoothes or with the straw taken out it is suitable for large coffees.  It is 470 mls and  is14 cm when extended and just a tiny 5 cm when collapsed.  Its handy to just pop in your glovebox or handbag for those unexpected coffees or smoothies.  It features a leak proof, screw on lid, is dishwasher safe and made from food grade silicone.  It is suitable for both hot and cold drinks