The Borosil Bolt Vacuum Insulated Bottle is built to keep your drinks fresh and at the right temperature all day. With a 1L capacity, it combines an aesthetically appealing exterior with a food-grade, rust-proof SS 304 stainless steel interior for safe and durable use. Its advanced vacuum insulation with copper coating ensures your beverages stay hot or cold for up to 24 hours, making it an ideal companion for travel, outdoor adventures, workouts, or daily hydration.