Tea Infuser-steeping Made Easy At Home or At Work-great Gift Idea- The Perfect Tea Mug for Hot or Cold Loose Leaf Tea-made with High Quality Borosilicate Glass and Food Grade Ss #304 Infuser- Has a Stay Cool Handle and the Lid Doubles As a Coaster GLASS: Borosilicate glass is not only healthy, but also can bear the instant temperature change from -30 to 150, which means the cup will stay intact if you pour in 100 hot water into the cup immediately after taking out from the refrigerator. Due to this, it can brew both hot tea and ice tea. The bright clear glass can also let you enjoy the tea leaves dancing in the cup. LID: Made from food grade 304 stainless steel, rest on the cup, can keep the tea warm while steeping and meanwhile, can be used as a coaster to hold the infuser after finishing steeping. INFUSER: Made from food grade 304 stainless steel, unlike tea balls or spoon-size infusers, the infuser let the tea leaves have plenty of room to expand to spread its fragrance as the tea steeps. Thanks to the infuser, you can control the tea taste as you prefer. Its so fine that you can brew any type of loose tea and perfect for fine grain tea and even coffee powder. DESIGN: Modern and stylish design with clear glass and shining metals makes it absolutely a great idea to be as a gift. 500ml capacity is a good size for personal use both at home or at work for both loose leaf teas or tea bags. CLEAN: The whole set is dishwasher safe and the assembled set can be disassembled easily to clean. The metal parts will never rust and you can just need to rinse it with water after you finish steeping tea.