Supporting design helps to correct the wrong posture of back and shoulders. Pulls shoulder & back to correct posture. Provides gentle back support. Fully adjustable, comfortable & easy to wear. Easy to Wear, Adjustable, Back Support, Breathable. Type: Posture Corrector Gender: Men's, Women's Material: Neoprene S: Waist circumference 80-95cm,suit for weight: 60-65KG M: Waist circumference 82-99cm,suit for weight: 65-70KG L: Waist circumference 84-103cm,suit for weight: 70-80KG XL: Waist circumference 86-107cm,suit for weight: 80-85KG 2XL: Waist circumference 88-110cm,suit for weight: 85-90KG 3XL: Waist circumference 90-112cm,suit for weight: 90-95KG 4XL: Waist circumference 92-114cm,suit for weight: 95-100KG Package included:1 x back corrector belt hint: 1. Due to different monitors and different photos, there may be slight color difference between the actual product and the photo. Please understand, we guarantee that the style is the same as the picture. 2. The size is manually measured, there may be an error of 2-5cm, which will not affect the use, please pay attention when taking pictures. 3. Only sell main products, not other accessories. 4. After receiving the packaging, please check the packaging and products carefully. If the received item is defective or has any problems, please contact us via email to resolve the problem. We will reply as soon as possible and try our best to meet your needs. You can use it not only while sitting in front of the computer or driving, but also while exercising or gardening.Improve your overall posture at work or in life. Easy to Wear, Adjustable, Back Support, Breathable. Fully adjustable, comfortable & easy to wear. Provides gentle back support. Pulls shoulder & back to correct posture. Supporting design helps to correct the wrong posture of back and shoulders.