Beveled at the bottom for an easy grip and designed to fit most cup holders. It's topped off with a tri-mode lid for flow control, so you don't spill while you chill. The heavy-duty powder coat is scratch resistant and allows you to toss the tumbler in the dishwasher when you're finished. A non-slip silicone pad on the base grips surfaces to avoid scratches and spills. Free of BPA, BPS, and BPF, just full of your favorite drink