12 oz. Vacuum insulated double wall coffee mug with a flip up lid. Powder coated 18/8 stainless steel with copper lining; screw on, leak proof open lock lid. Keeps contents cold for 24 hours or hot for 12 hours. Not microwave safe; hand wash only; BPA free. Packaged in a retail box. YOUR PURCHASE MAKES A DIFFERENCE!A portion of the proceeds of this sale will be donated to fund theWarrior Spirit Retreat, A Place Where Warriors Learn TO Heal. To contribute to the Warrior Spirit Retreat fund or to learn more, please visitwww.warriorspiritretreat.org