Postpartum Belt After DeliveryEffectively tightens and flattens your postpartum belly & corrects your pelvis size. Stretchable to fit the natural curves of your body. 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! Material: 78% spandex 22% rubber. Wash with cold or warm water with mild detergent. Do not Machine Wash.