This is the BackJoy SitSmart posture support seat. By placing it on a chair or the floor, it naturally supports your posture when you sit. ⚫︎Brand: BackJoy ⚫︎Model: SitSmart ⚫︎Purchase Date: Unknown ⚫︎Usage Period: Unknown (Stored at home) ⚫︎Condition: Shows signs of use on the seating surface, with minor scratches and small marks. Please check the photos. This item belongs to a family member. Please check the photos to identify the specific type and search for it. ※Lightly cleaned. ※Please refrain from purchasing if you are concerned about minor details, as this is a used item stored at home. ※Price reduction is not available.