Double Wall Heat Resistant Portable Glass Water Bottle With Tea Infuser Travel Tumbler Thermos Multi-Colored 9 Oz (Yellow) Clear-view tea tumbler offers a stylish way to carry beverages on the go. Sturdy BPA-free construction; insulated double-wall sides keep contents hot for up to 2 hours. Spill-resistant screw-on lid with flip top; platform base protects surfaces from heat. Easy to use drinking by just one click of the button+Includes a stainless steel mesh infuser that can be used to hold loose leaf tea or tea bags. Bearing temperature: Minus 20 degree Celsius-150 degree Celsius+Not dishwasher-safe or for use in the microwave