1. Uses a heat-trapping polymer fabric to boost your natural body heat and stimulate sweating with any type of physical activity. Wearing the Waist Trimmer while working out or while performing daily activities creates a hot sauna-like experience. Your body temperature will rise, so you sweat more and lose water weight and shed pounds lightning-fast. Increased sweating also helps with detoxifying and cleansing your pores. 2. The Waist Trimmer has been engineered so that it's incredibly light and comfortable to wear even for long periods of time while providing all the muscle and core support you need. It molds and moves with your core and waist during workouts at the gym, yoga, cardio, cycling, or simply running errands. is exceptionally flexible, versatile, and discreet. 3. proprietary blend of fabrics has been carefully selected to create the ultimate waist trimmer for an enhanced sweating experience. The Waist Trimmer consists of two layers: the inner thermogenic polymer fabric increases your core temperature to promote sweating for faster water weight-loss results. The outer performance compression fabric instantly slims and shapes your body, and compresses your abdominal area and waist. Size:S-M,L-XL,2XL-3XL Inner layer:Thermogenic polymer fabric increases your core temperature Outer Layer:Compression fabric instantly slims and shapes your figure Shipping List: 1pcs Body Shaping Belt Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little different from what you expect, please allow it.