These beauties are the hottest trend in tumblers - the 20 oz. Silicone Grip Polar Camel made of stainless steel Travel Mug features double-wall vacuum insulation with a clear lid. The mug has a narrower bottom to fit most standardd cup holders. It is 2X heat & cold resistant compared to a normal travel mug. Polar Camels are made from 18/8 gauge stainless steel (18% chromium/8% nickel) - also known as Type 304 Food Grade. Not recommended for dishwashers, hand wash only. Bulk pricing is available for large quantities. Please reach out to us.