For the flexible support you need during pregnancy and postpartum. 
In pregnancy:
Helps relieve lower back pain and sciatica
Eases sacroiliac, pubis symphysis and pelvic girdle pain (PGP)
Lessens round ligament pain
Assists abdominal muscle separation (diastasis recti)
Postpartum: 
Supports weakened core and back muscles
Helps ensure good posture 
Aids in the recovery of abdominal muscle separation or diastasis recti
Supports the tummy as you return to exercise or daily activities
Post C-section or abdominal surgery: 
Protects your incision site from reopening
Reduces the risk of incisional hernia
Minimises post-op pain and the need for pain medication
Makes it easier to walk and move comfortably after surgery
Frees up your hands and enhances overall post-op comfort and healing.