Foldable Squeeze Travel Water Bottle 500ml- Purifies Water by Eliminating 99.9% of Waterborne Bacteria & Parasites. REMOVES 99.9% OF WATERBORNE BACTERIA & PARASITES: Greatly reduces the risk of contracting illnesses such as diarrhoea, dysentery and Giardia. FILTERS UP TO 1000 LITERS OF WATER: The equivalent of 2000 disposable plastic drinking water bottles. Water Well is reusable, cost effective and engineered to last. FILL UP FROM RIVERS, LAKES, TAPS OR EVEN PUDDLES: Perfect for travelling, hiking, camping and a smart choice for survival situations when only impure water is available to drink. SUPER CAP--Flip Cap. Tough Seal. Easy Open. 500ml bottle capacity FOLDABLE, PORTABLE AND FLEXIBLE-Stands upright when full. neatly rolls, folds or flattens when empty.