20 Oz Tumbler Maintains the Temperature of Your Hot & Cold Drink While Offering a Solid & Quality Construction. Dimensions. 3.45 Inchl x 3.45 Inchw x 6.95 Inchh. the Beveled Design is Sure to Grab Your Attention. This Bottle is Made Above Industry Standards with the Following Features. 1.#304 Food Grade Stainless Steel Metal Construction 2. Vacuum Insulation 3. Copper Plated Inner Wall 4. Seamless Structure on Side & Bottom of Inner Wall.