Sauna Belt Waist TrimmerÂ Sauna Belt Waist Trimmer should only be worn during exercise for no more than 2 hrs at a time. Before you begin exercising, adjust your Waist Trimmer to desired position and wrap it comfortably around your abdomen. The Sauna Belt Waist Trimmer can be worn under or over your clothing. Always monitor your body when exercising and dont remember to stay hydrated. Use Sauna Belt in combination with your waist trimmer during exercise and you will be amazed how much more sweat you will achieve than using the belt alone! Before exercise, apply an ample amount of Sauna Belt to stomach area without rubbing into the skin. Place Waist Trimmer over Sauna Belt and begin your workout. Sauna Belt is a topical gel that can actually improve circulation and sweating to areas applied during exercise. This product is not a Corset nor does it function like a corset. Please do not wear over any open wounds, or if youre susceptible to dermatitis or allergic to Neoprene. Do not wear for more than 2 hours as Neoprene is designed to wear for only short periods of time. Do not wear while sleeping. If you develop a rash discontinue use immediately.