Enjoy your coffee, tea, water, or any other beverage at the perfect temperature, no matter the season. Made of 18/8 stainless steel, this tumbler features double wall vacuum insulated construction and copper lining that keeps drinks cold for 24 hours and hot up to 12 hours. It holds up to 20 ounces and includes a clear lid with spill-proof seal. Choose from an assortment of colors and make sure to add a brand name, logo or message to customize. Hand wash only. Not microwave safe.