ONEDAY Vacuum Insulated Stainless Steel 16-ounce Water Bottle, Design for Sports & Outdoor Activities, Black Keep liquid Cold for up to 12 hours and Hot for up to 24 hours. Make your beverage stay in favorite temperature for a long time. Premium grade 304 stainless steel interior keeps your beverage pure and refreshing, won't transfer the flavor to your next beverage. Double wall vacuum insulated stainless steel keep bottle cool to touch with hot liquids and sweat proof with cold liquids. High quality colorful powder-coated matte finish exterior for a comfortable grip. Compact design takes up minimal space while maximizing capacity.The 16 oz portable bottle takes the most appropriate water bottle size in the outdoor activities. 100% Satisfaction Guarantee: Your satisfaction is our guarantee. 100% money back guarantee for your pleasant shopping experience . Do not hesitate to contact us directly if you are unhappy for any reason.