About This Premium Infuser: Being made of food-grade 304 stainless steel, the infuser won?€?t rust through years. The removable structure enables thorough rinsing, leaving no residue behind. Not only for loose tea, but also for tea bags High Transparency: Crafted with borosilicate glass, also adopted for premium wineglass, delivers a crystal-clear look to add to the peace of mind. The non-porous feature makes it easy to clean residues and smell 180??? Temperature Range: Featuring heat and cold resistant, this tea cup can withstand instant temperature change up to 180 degrees Celsius, suitable for boiling hot or icy cold water Corrosion resistance: The teacup can effectively resist acid and alkali liquids. This ensures years of durability Capability: 500 ml, about 16.9 oz (full capacity), we recommend that you fill the cup comfortably with 430 ml (14.5 oz) of liquid. What You Can Get: ecooe Borosilicate Glass Tea Cup, and friendly product support(within 18 months) Overview Brand : ecooe Material : Borosilicate Glass Color : Silver Capacity : 500 Milliliters Special Feature : Transparent