I purchased this as a spare on Rakuten and kept it at home without using it. [Recommended by a practicing midwife] High-resilience Round Seat Cushion for Postpartum, Hemorrhoids, Best Position, Donut Cushion, Lower Back Pain, Coccyx, Sciatica, Buttock Pain Relief, Protection, Posture Correction, Pressure Distribution, Childbirth, Pregnancy, Maternity, Gift, Present, Chair Cushion, Zabuton, Floor Cushion, Seiza, Cross-legged, Donut-shaped Cushion Thank you for viewing. #NursingCare #HighResilience #RoundSeatCushion #Postpartum #Hemorrhoids #Donut #Cushion #LowerBackPain #Coccyx #Sciatica #Buttocks #Pain #PostureCorrection #Childbirth #Pregnancy #Maternity #Gift #Present #ChairCushion #Zabuton #FloorCushion #Seiza #Thick #HoleCushion