Our glass teapot can withstand -20?—120? (-4°F—248°F) temperature difference, not easy to rupture This teapot is handcrafted, made from heat-resisting borosilicate glass, designed with non-dripping spout and ergonomic handle The tea maker comes with a rust-free 304 stainless steel tea strainer basket holds tea bags or loose tea leaves which can be removed after your tea has steeped Support microwavable, electric stove, gas stove, or directly in open fire use. Dishwasher safe Shatterproof gift box packaging, gift-giving made easy. This glass teapot is great for giving as a house-warming, wife gift, wedding or anniversary gift