This reusable 1-gallon water bottle is 100% BPA free and other harmful chemicals, so it is the best option for the health of consumers. Equipped with the bottle is a 48-millimeter tethered stainless-steel cap that is leak proof and keeps water safe from contaminants. It is also durable and chemical resistant, so it will not degrade in hot temperatures. Ideal to have when camping, traveling or attending any sporting event.