Sanrio Face-Shaped Stainless Steel Mug Bottle Hello Kitty 617407 Brand new, unused item. Body size: Approximately W8 x D8 x H20.5cm Capacity: Approximately 360ml. Main materials/raw materials: Inner bottle: Stainless steel, Body: Stainless steel (acrylic resin coating), Lid: Polypropylene, Packing: Silicone rubber Vacuum double-walled construction for heat retention and cold insulation. You can drink directly from the bottle by removing the lid. Cannot be used in microwave ovens, dishwashers, or dish dryers. Heat retention effect: Below approximately 55 degrees Celsius (approximately 6 hours).