Beaver Hindz Set of four water bottles is a mould of food grade and non-toxic plastic. It ensures a healthy and hygienic lifestyle for you and your family.The bottles do not leak or break in the freezer and are spill-proof. They are durable and reusable bottles look pleasing with vibrant colours having a capacity of one litre each. They are ergonomically manufactured bottles compact, lightweight and easy to carry around. These are a sturdy build meaning Unbreakable & Easy to Maintain.