Ello Reflex Double Wall Vacuum Insulated Stainless Steel Travel Mug,18 oz High performance bottle that will give you the boost you need to get through the day Vacuum insulated to keep beverages hot for up to 5 hours and cold for up to 10 hours Great for home, work or on the go Made from high-quality stainless steel BPA, phthalates, PVC, lead and cadmium free