The large capacity of the 36 oz. Igloo Double Wall Vacuum Insulated Water Bottle is fully vacuum insulated and keeps drinks hot for 18 hours and cold for 36 hours. The dual opening lid is functionally designed and features a twist n' chug spout for drinking and a wide opening that allows for easy cleaning and adding ice. The swing up, tuck tight handle sits flush against its body when not in use, and its double injection grip makes it comfortable to carry around. This bottle is made with 18/8 food-grade stainless steel and copper lining to ensure optimum temperature control and its thumb grip indent make it easy to hold while drinking. The built-in silicone coaster adds a layer of protection for your tumbler and tabletop surfaces and it's FDA Compliant and BPA free. Gift the Igloo Double Wall Vacuum Insulated Water Bottle to your outdoor-loving coworker or employee.