This 550 ml double-wall stainless steel bottle is designed for durability and temperature retention, featuring a 304 stainless steel inner wall and 201 stainless steel outer wall with a sleek spray-painted finish. Vacuum insulated to keep beverages hot or cold, it comes with a secure screw-on PP lid with carry loop, making it a stylish and practical choice for everyday hydration at home, work, or on the go.