Double walled Vacuum insulated technology keeps beverages cold or hot water bottle for 12 hours Inner coating for better temperature retention A uniqueThermal thermal water bottle that makes pouring completely hasslefree and spillfree rust proof Condensation sweat straw free thermal No condensation on outer body even while carrying icy cold water completely sweat free Leak proof nontoxic leak proof design contains no toxins completely BPA and phthalate free Both its interior and exterior surfaces of this thermos have been fabricated using 188 quality stainless steel making it rustproof products It has a capacity of 500 ml and comes with a transparent drinking cup made of plastic which is suitable for tea hot flask Perfect Thermas size Right size to carry around and fits right in your bags and car bottle holders 4 Best sports Usage OfficeSchoolCollegeGym sipperPicnicHome Color Bliss Black Package Contents 1 vacuum flask set insulated doublewalled Bottle Color Black Material Stainless Steel Capacity 500 ml Size 18 Ounce