High Quality Lead-free Borosilicate Glassware. Microwave Safe. Stovetop safe. Dishwasher Safe. Lightweight & Durable. Ultra Fine Stainless Steel Mesh. Lightweight & Sturdy. Easy to wipe clean and adds elegance to your kitchen table. A removable stainless steel mesh infuser is rust-free and allows you to steep any type of loose tea leaves, green tea, black tea, iced tea for 3-5 people.