Sistema's hourglass shaped water bottles are built for customers wanting a combination of style and durability. This water bottle is ideal for taking on picnic, office, school, or anywhere out as it has a capacity of 645 ML which is sufficient for half-a-day outing. It is made of high-grade plastic which is both Phthalate and BPA free, and the materials used in its construction are 100% lead free. The water bottle also has textured ridges to make sure a firm and sturdy grip is maintained while holding the bottle.