Multifunctional 12 oz Tea Travel/Brewing Tumbler which can be used for loose leaf tea, tea bags and as an infuser. The Trio Clear has a double wall construction. The exterior wall is Tritan which is impact resistant and BPA free. The interior wall is borosilicate glass. Only the glass interior comes in contact with your beverage. You can see the color of your tea or other beverage through the clear wall. One hour hot or cold. Includes a patented two way leaf compartment built into the lid. The tumbler is leak proof and has a lock button that keeps the lid from popping open. Includes a strap for easy carrying. We recommend hand washing for this item.