These tumblers make the perfect gift item for anyone on the go! Great for birthdays, holidays, graduations, and any other special occasion! Available in 2 sizes (20 or 30 ounce) and 3 colors (Black, Navy Blue, or Pink). - Engraved in house, by myself, on a per order basis so each item gets the care and attention it deserves. No third party printing companies used. - Stainless Steel Polar Camel Tumblers features double-wall insulation with a clear plastic slider lid. - Powder Coated for extra durability and scratch resistance. - The tumblers have a narrower bottom to fit most standard cup holders. - It is 2X heat & cold resistant compared to a normal tumbler. They are made from 18/8 gauge stainless steel (18% chromium/8% nickel) - also known as Type 304 Food Grade. - Dishwasher Safe - Do not use in Microwave - Engraved on one side as shown in image. Engraves silver (steel) on all tumblers. - 20oz Tumbler Dimensions : 6 7/8" Tall x 3 3/8" Diameter (top) x 2.75" Diameter (bottom) - 30oz Tumbler Dimensions : 7.75" Tall x 4" Diameter (top) x 2.75" Diameter (bottom)