This porcelain tea mug comes with an infuser and lid. The handle is heat-insulated, so you will be able to pick it up without a potholder. The extra-fine hole infuser works well with loose teas, and it makes the brewing process simple and easy. The lid works as a trivet to hold the infuser, and it also works as a coaster. Both the mug and lid are made of chip-resistant porcelain, and the strainer is 18/8 stainless steel. It is safe to use in both the microwave and dishwasher.