Stainless Steel Thermos 16 Oz. Double Wall Vacuum Insulated with 18/8 Steel - Keeps Drinks Hot or Cold for 12 Hours. Travel Mug, Tumbler or Water Bottle. Includes a Removable Tea Strainer. (Green) Double Wall Vaccum Insulation - Keeps drinks cold for upto 12 hours. Hot for 6 hours Durable Premium 18"/8" Stainless Steel, BPA Free - Keeps ice twice as long compared to plastic tumblers and bottles High Quatlity Exterior Matte Finish - Feels excellent to touch, never sweats Leak Proof Design - The lid creates an air tight seal for maximum temperature retention and prevents spills Colorful Choices - Get yours today in Navy or Green!