JOEmo Tea Brew Mug comes with a fine mesh tea infuser basket that snaps in securely. Either brew your tea in the basket and remove when finished steeping, or put the tea nad hot water in first, snap the tea basket in and go! Keeps your beverage hot for approximately 6 hours. Push button open and close to drink. Secondary lid makes the JOEmo leak-proof. Holds 13 ounces.