Carry tea or coffee to office in this bullet vacuum flask and ensure it stays warm for a long period of time. This bullet vacuum flask is carefully made from fine-quality stainless steel, plastic and rubber, which make it a worthy investment for sure. Light Weight, Great Color Combination and Vacuum Air tech. to Utilize the Best of the Inside Vacuum to keep the Drinks Hot and Cold. You can carry chilled water or your favorited beverage its Superior insulation performance-patented vacuum technology and food grade material keeps beverages Hot/Cold/Fresh for hours. Insulated double walled vacuum Bottle is designed for maximum temperature retention that Keep your favorited hot drinks without altering their temperatures for a prolonged period of time.