Press and drink, that's the principle of the leak-proof pop-up drinking bottle. Press the drinking spout and the bottle is open, press again and it's closed. Extremely convenient during active moments and for a quick sip in between. Or just to take to school, of course! The Campus pop-up drinking bottle has a handy loop, so you can easily take it with you. Of course, the bottle is dishwasher safe. Leak-proof Drinking with one press of a button With handy carrying loop Can take a beating