The Senago 30 oz Vacuum Insulated Stainless Steel Bottle is designed for durability and convenience. Its double-wall, vacuum insulation with copper lining keeps drinks cold for up to 30 hours. The powder-coated exterior adds a modern touch, while the built-in straw lid and carry handle ensure easy sipping and portability. FDA certified and perfect for extended hydration, this bottle is hand wash only for long-lasting use.