One-Handed Drinking: The portable coffee cup includes an easy open cap that makes one-handed drinking a breeze, even when you are driving. The lid is also designed with ventilation holes on the surface, and the vents on the lid allow drinks to flow smoothly without spilling or overflowing the middle body is equipped with a silicone sleeve to help you hold it comfortably Keep Temperature: The metal coffee cups adopt quality stainless steel materials without smell, The double wall stainless steel structure can keep your drink at its original temperature for a few hours, and the nice materials will serve you for a long time Suitable Capacity: The 500ml/ 17oz capacity is a portable insulated coffee mug for you to use and fits most car mug holders, you will enjoy coffee, tea, wine, juice, oatmeal, and so on, they are also suitable for car, family, party, travel, beach, picnic, Indoor and outdoor use for sports events and office hours Practical Design: because of the reliable screw-on lid design, along with the silicone seal to minimize the risk of spills, you could turn the travel mug to some angles with confidence. This reusable coffee cup has a nonslip rubber pad on the bottom that helps prevent it sliding and also avoid scratching furniture