a) Heat resistant b) Glass Tea Pot with Stainless Steel c)directly from factory. Products Details DescriptionName Borosilicate Tall Flower Glass Pot with Stainless Steel Insert Spout, 420ml/pot ... , heat-resistant, super clear glass tea pot. Material: borocilicate glass, which is heat-resistent, light and super clear. Parts: Lid, pot & stainless steel insert(replaceable)Capacity ...