Product Overview: Colster Tall Can Insulator Our 16 oz. size is a perfect fit for bigger cans (like craft beers), keeping the last sips as good as the first. our new load-and-lock™ gasket requires an easy quarter-turn to secure your drink in place. And just like the original, double-wall vacuum insulation is how your drink stays icy cold, so you can enjoy a cold craft brew even when the sun’s blazing. Features: 18/8 STAINLESS STEEL: Made with kitchen-grade stainless steel, so they’re puncture- and rust-resistant. NO SWEAT™ DESIGN : Keeps your hands dry and unaffected, no matter how hot or cold the beverage inside. DISHWASHER SAFE : Because no one needs more work to do.