12oz Double Wall Vacuum insulated tea travel mug. BPA free. Stainless steel double wall construction that keeps drinks hot for up to six hours. The Trio lid has a patented two way leaf compartment built inside the lid. The tumbler can be used for both loose leaf tea and other infused beverages. To use add an appropriate amount of loose leaf tea into the compartment and snap it shut. Pour hot water into the mug. Attach the lid and then turn the infuser mug upside down. Once the tea it steep, turn the mug back up and drink from it. The tea will not continue to steep. The mug also has a lock button that prevents the lid from opening on its own. Hand wash. Available in stainless steel, black and red