A perfect gift - have your child draw on a plain white piece of paper and send us a copy of the drawing via email and we will engrave it on one of our stainless steel tumblers. Simply Select the tumbler size and color below, you will need to email your drawing to Kolby@wendybs.com after placing your order. Stainless Steel Polar Camel Tumblers features double-wall vacuum insulation with a clear lid. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to a normal tumblers. Polar Camels are made from 18/8 guage stainless steel (18% chromium/8% nickel) - also known as Type 304 Food Grade. Not recommended for dishwashers, hand wash only. All drinkware is made to order - All Sales Final!