Zipper closure THREE SELECTIONS 3 in 1: Sweat Vest + Waist Trimmer + Waist Trainer Cincher OR 2 In 1; Sweat Vest + Waist Trimmer OR 3 ROWS ZIPPER SAUNA SUIT. Please choose carefully your selection according to the information presented on the image. The combination works more effectively as Sweat Enhancer compare to regular Waist Trainer or Waist Trimmer. Note: EACH STYLE has it’s own SIZE CHART SLIMMING VEST: Works by creating Sauna Effect around your body. It help increases your metabolism and burn calories. The Sweat Vest works effectively if you use it during exercise and use it regularly WAIST TRAINER FOR WEIGHT LOSS: It works by providing you with just the right compression to get hourglass figure instantly. Please select the 3in1 style with the waist trainer if you prefer to get a slimmer waist by up to 2 inches instantly. PROMOTES SWEAT & HELP BURN CALORIES: The waist trimmer increases your core temperature during exercise enhancing thermogenic activity and sweat so It helps burn calories and flush out fat and excess water through Sweat TUMMY CONTROL: It works as ??Tummy Control, supporting your abdomen and your back. Perfect use for cardio work out, Sauna, Gym Fitness training and more. Please refer to the Sizing Chart on the Picture for correct fit. As a rule of thumb please choose according to your BUST SIZE. NOTE: Our Sweat Vest runs LARGE, therefore if you are not sure, choose a SMALLER size.