SERAFINO ZANI Celsius Series 18/10 Stainless Steel Dishwasher Safe Eco-friendly 300ml Double Wall Vacuum Insulated Thermal cup/ Tumbler/ Travel Mug 1. The mesh of tea infuser fits the cup body and can hold dregs like tea leaves at 360. 2. The inner hole design of the infuser allows you to disassemble and install it easily; the design is easy to clean as well. 3. The double wall body design can reduce the heat conduction; it can avoid scalding and is comfortable to grip 4. The lids sealing ring matches the cup body, you can close the lid tightly by rotating it slightly. 5.Constructed with the highest quality 18/10 stainless steel