Ceramic filter and lid: you can put the loose tea or tea bag inside and filter easily. The ceramic filter is healthier and tastes better than the stainless steel filter. The filter can be removed and can be washed by hand or dishwasher for easy cleaning. Lid can be a coaster :the lid coaster just fits the size of the tea infuser when you put it up.Also it can help to keep the tea heat when you put the lid on the mug. Anti-scalding handle: the handle is made of wood and the handle will leave more space for your hand during the process of taking the cup to prevent your hand from being scalded.But it is not recommended to put in the microwave. Multi-functional ceramic cup: the whole body is made of ceramic and wooden handle. You can use it for tea. You can also take out the filter. Coffee, drink or water is suitable. It makes your life more simple and convenient . Satisfaction guarantee - please feel free to contact us if you have any concern. We will offer a free replacement or refund if anything goes wrong. Our customer service will provide you a happy shopping experience!