Tea in cup / Products

Drinking tea is a universal culture all over the world. Especially China and England are called the country of tea because they drink a lot of tea. It is common to put tea bags or put tea leaves in the cup when making a tea. However, doing these things is a bugger of a job. So what I think is a combination of cup and tea bag. The cup contains a filter with tea leaves under it. People could drink tea by pouring only water. Also, problems such as dropping tea bags or eating tea leaves will disappear.