How to Wear SHAPERX Waist Trainer Belt Waist Trimmer should only be worn during exercise for no more than 5 hrs at a time Before you begin exercising, adjust your Waist Trimmer to the desired position and wrap it comfortably around your abdomen The Waist Trimmer can be worn under or over your clothing How to Wash Before Initial use: Wipe down a Waist Trimmer with a damp cloth Use a clean cloth to dry off Waist Trimmer or air-dry overnight After Exercise: Lather a damp cloth with soap and run down inside of Waist Trimmer several times Then, rinse the cloth and wipe it down again until there are soapy streaks left Use a clean cloth to dry or air-dry overnight