Promotes an additional increase in Sweating when used during exercise.* LIT Waist Trimmer with adjustable Velcro closure, fits waist up to 41 inches.* Provides instant abdominal compression and lumbar support. Comfortable, light-weight, stretchy fabric stays in place while exercising.* *Use LIT sweat cream in combination with waist trimmer during exercise for best results.* SIZES: S: 35" length x 8" width recommended for waist up to 33" M: 41" length x 8" width recommended for waist up to 38" L: 44" length x 9" width recommended for waist up to 40"