This tea infuser cup perfect for loose tea and flower tea, tea bag, and also great for serving coffee, beer and kinds of beverage. Tea mug (16oz) with lid and filter to brew a cup of perfect tea, or drinking coffee. Protective case is made from food grade PC. It will reduce the temperature on your hands and also it will protect the glass water bottle to be broken by accidental falling. Perfect for home, car (it fits in your cupholder), yoga, gym, office or on the go.