Attached to the front of the mug is a pipe where you can pack your smoking herb and light it. The smoke filters up the hollow handle to the mouthpiece on the top, allowing you to enjoy a smoke with your steaming coffee. The mug holds approx 18oz. Choose a unique mystical novelty gift for a friend - Unicorns are all the rage and are not only for children! The mug comes packaged in a color box. This product is recommended for adult use only.