The Perka® Delish 20 oz. double wall, stainless steel tumbler features a ceramic lining to keep your drinks flavorful for longer. It has a sleek, classic design, is vacuum sealed and individually boxed. Take this tumbler to work, use it in the car and at the gym as it's light and easy to drink from with it’s clear, push-in lid and sliding closure. The Delish will keep drinks hot for 10 hours and cold for 18 hours, fits in most car cup holders and is FDA compliant and BPA free.