Pet and smoke free home. Vacuum Insulated Coffee Mug: our coffee mug has a vacuum double walled insulation design that ensures beverage can stay either hot or cold over time, letting you enjoy hot or cold drinks Coffee Mug Cup with Lid: The transparent plastic lid with a rubber gasket, which is well tightness, it is easily swiped to open while keeping away from splashing Stainless Steel Coffee Mug: made of foodgrade 304 stainless steel, liner of coffee mug will not produce any taste and rustfree, and it is durable and not easy to break Comfortable Handle: 12 oz coffee mug is lightweight and easy to carry, the surface is matte powder coating, sweatfree, the coffee mug handle is long and wide, and it fits your fingers to grasp.