I saw it on Shop Japan and purchased it at a nearby home center. After using it for a few days, it's been stored in my room. Product weight: 3.8 kilograms Recommended maximum weight: 100 kilograms Manufacturer: Shop Japan Pelvic exercise device (power-free type) Manufacturer's warranty: 1 year Weight capacity: Up to 100kg Body size: 27cm x 44cm Accessories: Instruction manual, exercise guide, exercise DVD I will ship it in its original box. * Please refrain from entering a desired price if you are not intending to purchase, and from making significant price negotiations.