Description: Premium Material: The waist trainer belt, made of high quality polyester material, offers durability against wear and tear, sweat, and softness, and gives a breathable and comfortable wearing experience. Features: Compact, elastic, and adjustable for most people, and thin allowing you to wear it hidden underneath your clothes, waterproof so no sweat will be able to leak through the normal vest. Design : Create a hot sauna like experience to raised your temperature to lose water weight and burning more , flatten your , and your abdomen accentuating your curves. Perfect Curve: The sporty waist trimmer gives you extra support for your lower back and abdominal muscles and makes your midsection look smaller, Perfectly showing beautiful women's and men's curves. Good Accessories for Workout: You can wear the waist trimmer belt for any exercise sports. Perfect for training, weightlifting, fitness, body sculpting, running, yoga, skipping rope, aerobics, etc. Size Chart: Size S/M: Upper Waistline: 62cm/24.41inch Bottom Waistline: 71cm/27.95inch Length: 26cm/10.24inch Size L/XL: Upper Waistline: 66cm/25.98inch Bottom Waistline: 76cm/29.92inch Length: 26cm/10.24inch Size 2XL/3XL: Upper Waistline: 74cm/29.13inch Bottom Waistline: 84cm/33.07inch Length: 26cm/10.24inch Package Includes: 1 Waist Sauna Vest Note: Please allow slightly errors due to manual measurement and different monitors.