Nelcon water bottle is made of high quality stainless steel. Food-grade stainless steel is used in the food, brewing and wine-making industries so it does not rust, corrode, retain or impart a taste. HIGH QUALITY: This sleek and rugged water bottle is made from high quality food grade  stainless steel that is rustproofed , sturdy, durable and anti-scratching. It is suitable for any occasions like hiking, cycling, camping, gym, car, office or home.