Paid $219 usd in excellent new like condition The Harmoni Birch Standing Desk Converter is a portable and adjustable sit-stand workstation designed to transform any existing desk into a standing desk. Here are the key features of the Harmoni Birch model: Harmoni Birch Standing Desk Converter: A simple, wooden standing desk converter with shelves that can be inserted into different slots to adjust to different heights [3]. Specifications: Material: FSC Certified Birch Weight Limit: 9 KG Made In: Europe Measurements: Fully Constructed: 30.3" high x 17.7" deep x 31.5" wide Top Shelf: 13.8" wide x 9.8" deep Bottom Shelf: 31.5" wide x 9.4" deep Base: 35x40cm (13.8" x 15.7")