Features: Our corsets is comfortable to wear for waist training. Makes you sweat a lot which is great for detoxifying! More sweat than a regular waist trainer! There exist odors on the item when you recieve is normal, you can hand wash it before you wear. Size guidance: S Fit 24.4-27.5 Inch Waistline M Fit 27.5-30.7 Inch Waistline L Fit 30.7-33.8 Inch Waistline XL Fit 33.8-36.2 Inch Waistline 2XL Fit 36.2-39.3 Inch Waistline 3XL Fit 39.3-42.5 Inch Waistline 4XL Fit 42.5-45.6 Inch Waistline Please don’t use amazon size chart,and use our advice size chart ! It works through compression and firm control, increasing perspiration and stimulating thermal activity to help with tightening abdominal muscles so you can build a more powerful posture and hourglass figure. Function & Effects: Flatten abdomen, smaller the waist, more sweat out when exercise, keep warm in the cold, crazy sweating in the summer, protecting spine, posture standing erect training, and promotes the noble manner. Keep Your Muscles Warm, Improve Your Posture, Stabilize Spine. Provides Therapeutic Support that Helps Prevent a Herniated Disc, Lumber Muscle Strain, Back Pain. Maintenance Instruction: It is recommended to wash it after each use, particularly after exercising. Hand wash in cold water with a soft detergent. Squeeze out and drain. WARM TIPS: All of this kind wearable always smell rubber kind. If your skin is allergic to rubber smell, pls Make sure you wear it over t-shirt and not direct on the skin.