Thank you for viewing. This is an iwaki JENAER GLAS teapot, 500ml, SIO-J833, made in Germany, heat-resistant glass, with a tea strainer, a jumping teapot for black tea, herbal tea, Chinese tea, and green tea. It was stored in the shed of my house. The outer box was dirty, so I threw it away. ・Since it is an old item, even if it is unused or in a condition close to unused, there may be wrinkles and air bubbles on the surface from the original glass molding. Please purchase only if you understand antiques. ・Please read the profile section to ensure a smooth and pleasant transaction for both parties. The following is a reference from the internet. This is a teapot from JENAER GLAS, the world's leading brand of heat-resistant glass. It is designed to maximize the effect of tea leaf jumping. You can reheat it in the microwave if you remove the stainless steel tea strainer. ＜ Size ＞ Height: Approximately 13cm Body diameter: Approximately 11.8cm Spout to handle Width: Approximately 20.3cm Capacity: Approximately 500ml (for 2-3 people) Weight: Approximately 230g (Please allow for slight errors.) Material/Material: Body/Heat-resistant glass, Tea strainer/Stainless steel Country of origin: Germany Function: Microwave safe (tea strainer not allowed) Caution: Not for direct fire