Comfortable Material: The waist extender uses a comfortable four-way stretch fabric with elastic bands up and down to avoid slipping, so you can breathe and move comfortably. with Extension Buckle: The pregnant woman can wear ordinary trousers with the pants waistband expander to cover the crotch. It prevents slipping and helps keep the pants in place. Wide Uses: The pants waistband expander helps to reduce lower back pain, pelvic pain, hip pain, spinal pressure, abdominal muscle weakness, support after pregnancy and cesarean, correct bad posture, etc.! Applicable to Occasions: You can wear the apron as a substitute for maternity wear during pregnancy, or use it to speed up postpartum recovery after childbirth. The waist extender can also be used to flatten the stomach in any exercise. The perfect pregnant belly belt!