... .Borosilicate glass,hand by hand,good for health. 3.Logo is ok. 4.Easy clean quality teapot ... set,blooming tea glass teapot with infuser,1.quality glass teapot,1000ml and so ... hand,mouth blown,the material is borosilicate glass,this glass is more resistant to temperature swings and ... styles are also available.5.Best quality,price and service! high quality glass teapot set