Our Mug features three silicone seals to insure no spills. Just click to open and click to seal from one simple button. One-handed activation allows you to keep one hand on the steering wheel at all times while you enjoy your beverage. Easily sip from the comfortable, no-drip drinking spout. The soft, non-slip grip gives you a secure hold when on the go. Accommodates a wide variety of car cup holders.