The Craft Haven Brand 17oz Casing Black Stainless Steel Tumblers are a set of three solid color silver tumblers made of stainless steel. These tumblers can keep your beverages cold for up to 12 hours and are suitable for both hot and cold drinks. They are designed for easy cleaning with hand wash only instructions, making them convenient for everyday use. Craft Haven tumblers are a stylish and durable addition to your kitchen storage and organization needs.