About This Premium Borosilicate Glass:Hand blown borosilicateglass is lighter than the normal glass,but durable and stable.100% lead-free,BPA-free 304 Stainless Steel Tea Infuser for Perfect Brewing:The cup comes with a fine-mesh, stainless steel infuser that allows for full flavor extraction. Easily achieve the perfect brew with simple tea separation. Double-Walled Cup Design: The double-wall design provides excellent insulation, keeping your hands comfortable while your drinks stay at the ideal temperature longer. Functional and Delicate Glass Tea Cup:Used as a teapot, it allows you to brew teas. When the infuser is removed, it transforms into a sleek and simple teacup for all kinds of beverage. This 2-in-1 design eliminates saving you both money and space. Ideal for enjoying beverages at home or in the office. Easy Maintenance:The mug, infuser, and lid are all dishwasher safe for easy cleaning. The sturdy construction ensures long-lasting durability, making it an ideal and thoughtful gift for family, friends, or colleagues. Great Service:Customer satisfaction is CNGLASS's top priority. If you're not happy with your glass tea cup, contact us, and we'll make it right. Overview Brand : CNGLASS Material : Borosilicate Glass Color : 12oz(1-pack) Capacity : 12 ounces Special Feature : Double Wall, Insulated