I bought this two weeks ago for postpartum use, but I've only sat on it a few times for about 3 days, so I haven't used it much. I think it's in good condition. Purchased on Amazon. [Featured in "Hiyoko Club" for the first time & Recommended by Active Midwives] U-shaped Cushion, Donut Cushion, Postpartum, Hemorrhoids, Buttocks Protection, High Resilience, Maternity Support, Pregnant Women Gift (Extra Thick Plus, Brown) [Freedom of Pressure Distribution] The angle of the U-shape opening changes the area of pressure. [Especially Great for Postpartum Moms] Reduced pain from wounds, can sit avoiding painful areas, can sit for long periods, adjustable [Size/Weight] Width: 44cm, Depth: 35cm, Height: 10cm *Tip 4cm, Hole: Width 19cm, Length 11~22cm, Gap: 4cm~, Weight: Approximately 710g *Compact and lightweight, making it easy to carry.