Stainless Steel mobile beverage tumbler with heat reservation function. Includes Double walled stainless steel exterior tumblers with Free stain resistant black plastic liner with twist on/slide chrome lid. All our drink ware gifts are made to order, so they can be customized to fit your budget, taste and event theme. Other filler options available. tea, cocoa and more. 3 1/2" x 3 1/2" x 7 7/8".