A Paulownia steamer for use in the microwave, designed for even heating. In my home, the smaller size was sufficient, so I am selling the larger one unused. There is no outer box, but the bubble wrap it was packaged in has not been opened. - OSMAC Paulownia Microwave Steamer - Material: Wood (Paulownia) - Size: For 2-3 people (Please check the size in the photos.) - Usage: Microwave steamer - Features: Heats evenly using steam and water vapor Please purchase only if you understand this.