Otaku Tea 12 oz Cafe Style Tea Cup w/Lid and Tea Infuser, Perfect for Loose Leaf Tea... HEAT RESISTANT, crack-resistant borosilicate glass ~ Other common items made of boro glass are Pyrex and laboratory equipment. 3-PIECE MUG includes the tea cup, lid and tea infuser all in one box. MICROWAVE and dishwasher safe for easy use. PERFECT for formal or casual settings - this will quickly become your favorite piece of glassware with sleek lines, and attractive color and hue. SCROLL DOWN to check for Special Offers and Product Promotions