Stainless Steel Polar Camel Beverage Holders are made with double-wall vacuum insulation and can resist high heat and extreme cold. They can accommodate cans and bottles with a simple process of removing the rubber top and placing the beverage inside. The beverage holders are made of 18/8 Stainless Steel to maintain the temperature of your cold drinks. You can place your can inside by screwing off the rubber top and then screwing it back on. They can hold 12 oz cans, 16 oz cans, and 12 oz bottles. They are powder coated and are a great gift option for Bachelor/Bachelorette Party, Wedding, Bridesmaid, Corporate Events, Birthdays, and Party Favors.