This Design for Living Set of 4 Double Walled Sentiment Mugs is ideal for the office, outdoors, in the gym, or at home. Constructed of high density polypropylene reusable plastic, which is very durable and will not retain odors or tastes, each mug comes with a thermo plastic rubber sleeve that keeps your beverage hot or cold longer. The wide mouth design provides easy cleaning and can fit everyday sized ice cubes. Fits most car cup holders. BPA-free. Set of 4, each with a 16-ounce capacity. Dishwasher safe.