Fashion Titanium-Coated Tea Tumbler with Infuser, thermos cup 370ml orange 48746893Materials: Interior is made of 316L stainless steel with a pure titanium coating for superior corrosion resistance. The lid uses a new food grade PP plastic. Design: Features a built in leak proof lid and a pure titanium tea filter. The outer lid doubles as a drinking cup, perfect for enjoying hot beverages safely. When the inner lid is open, closing the outer lid will automatically and simultaneously close the inner lid, creating a sealed state. It