Features: Made from stainless steel, durable and easy to clean. Adopting double wall vacuum insulation to keep your drink hot and cold. Compact and portable, convenient to carry around. Moderate capacity to meet daily drinking water needs. The Cups Has a Narrow Bottom And A Wide Mouth Fit Most Car Cup Holder, With Lid and Reusable Straw. Designed for everyday use, travel, work, sports, swimming, camping, parties etc. Also good for put fruit or cold cocktails in its. Suitable for driver, passengers, and outdoor enthusiasts who enjoy drinking water in the car, such as traveler and campers. Specifications: Material: stainless steel Size: Approx. 8x5cm/3.15x1.97inch Style: 6pcs set/10pcs set Capacity: 3oz Package Includes: 6pcs/10pcs Car Cup note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.