Sunzel Waist Corset Weight Loss Sport Body Shaper Tummy Fat Burner ALL THE AUTHENTIC SUNZEL PRODUCTS SOLD THROUGH AMAZON ARE ONLY BY "sunzeler".WE NEVER AUTHORIZED ANY OTHER SELLERS TO SELL ANY SUNZEL PRODUCTS.PLEASE CHECK THE NAME OF SELLER BEFORE PURCHASING THESE PRODUCTS. The waffle knit fabric is 90% nylon and 10% spandex, making our trimmers durable. Hand wash for best results. High quality fabric breathable and comfortable enough to be worn all day long, sweat-free comfort, antibacterial, moisture wicking.Adjustable 3 rows hook&eyes,high elastic free support. When worn during exercise, the compression stimulates thermal activity in your core which increases perspiration, allowing toxins to escape. It helps to reduce 4-5 inches in waist when you wear it.you could read size pictures on left to select the right size you need