Retail price: 4950 yen This was a great help when my lower back hurt during pregnancy. It became much more comfortable to wear. It's also recommended to wear a pelvic belt after giving birth, as your pelvis will continue to widen if you don't! I wore it for about 10 days. This M-size pelvic belt is designed for both before and after childbirth and offers strong support. - Brand: Pigeon - Type: Pelvic belt for before and after childbirth - Size: M Thank you for looking.