The water bottle from Estia is made of stainless steel material that does not break or rust over time. Due to its material, it is not affected by acidic beverages such as fruit juices, unlike aluminum. Additionally, it is also insulated, which has the property of maintaining the temperature of the liquid stable for a long time, such as during summer at the beach. Its material has technology that does not contain the chemical harmful substance BPA, making it safe for liquids.