For proper fit and maximum effectiveness measure around the largest part of your waist or hip. The postpartum support belt isto be easy to put on without assistance. Grip the support at each end and place the loop pad over your abdomen. Stretch and touch the hook to the loop. And your support is secure. you may vary tension by adjusting the amount of stretch. This support belt helps you to your normal activities - and wardrobe - sooner. especially helpful after a c-section.