About the product *The OPPO Waist Belt is effective in toning and shaping the waistline during exercise, providing support to the lower back and eliminating excess water weight. *It helps to capture your body heat stimulated by exercise and increases perspiration around your waistline to help you rid unwanted inches. *It is great for walking, running, aerobics and sports activity and can be worn undetected under clothing. How to use? 1-Wrap belt around the waist. 2-Adjust the belt to desired compression and secure hook and loop closure to the front of belt.