Dual Wall Glass Tea Tumbler comes with a fine mesh steel tea strainer. Manufactured in facility that provides safe & positive working conditions and living wages for employess, maintains sustainable, environmentally responsible business practices, and off-sets carbon footrpints. Free of BPA, Cadmium and Lead, and all parts fully recyclable! This is a big deal in the manufacturing world, and hard to come by! Perfect for tea on the go, at the office or at home. Because having your beauty tonic with you makes the whole world more lovely. Drink your beauty teas hot or iced. The borosilicate glass will keep your tea TOASTY and your hands COOL. The fine mesh tea strainer screws right onto the base and strains out your tea. To use, remove the lid and strainer, add your tea and hot water then replace the lid strainer. When your tea reaches the desired flavor and color, simply remove the lid and drink right out of the tumbler or pour into a cup. When you are ready you can add more water for more enjoyment. The lid also screws right onto the base for more controlled steep times (just turn your cup upside down, then remove the lid/strainer when ready, leave it nearby, and re-steep.