Polar Camel 30 oz. Black Vacuum Insulated Ringneck Tumbler with Clear Lid Drinkware They are ¾ inch thick

They are ¾ inch thick and have a keyhole on 2 sides

Stainless Steel Polar Camel Beverage Holders feature double-wall

Stainless Steel Polar Camel Mugs feature doubled-wall

Keychain diameter is 1 ¼ inches

The superior hot & cold retention of the double wall insulated Polar Camel high endurance drinkware is now available in a water bottle

Polar Camel 30 oz. Black Vacuum Insulated Ringneck Tumbler with Clear Lid Drinkware They are ¾ inch thick30 oz. 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.