Size: Approximately 6cm in diameter x 22.4cm in height Materials: Inner bottle = Stainless steel, Body = Stainless steel (acrylic resin coating), Lid = Polypropylene, Cap/Gasket = Silicone rubber Capacity: Approximately 350ml Microwave use is not permitted. Dishwasher and dryer use are not permitted. Heat retention: 65 degrees Celsius or higher (6 hours), Cold retention: 10 degrees Celsius or lower (6 hours) Suitable for both hot and cold beverages Brand new, unused item. The box has traces of sticker removal. Shipping is only on weekdays. Price negotiations are not accepted.