Specification: Material: Spandex + Polyester + Polyethylene + Sticker Color: black Size: S Suitable waist circumference 50-80 cm,Suitable Bust 60-90 cm, Suitable Weight 30-40 kg , Suitable age 8-14 years M Suitable waist circumference 60-90 cm,Suitable Bust 70-100 cm, Suitable Weight 40-50 kg , Suitable age 14-18 years L Suitable waist circumference 70-100 cm,Suitable Bust 80-110 cm, Suitable Weight 50-60 kg , Suitable age above 18 years XL Suitable waist circumference 100-130 cm,Suitable Bust 110-140 cm, Suitable Weight 60-70 kg , Suitable age above 18 years Purpose: The product is used for correction of hunchback, prevention of hunchback, adjustment of sitting posture, effective correction of back posture, prevention of hunchback caused by bad posture. Long term wearing can promote the blood circulation of human body, relieve the rigidity of muscles, and prevent stretching during exercise. Product material is light, breathable, adjustable size, suitable for men and women. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-3cm measuring deviation due to manual measurement. Package included: 1 X Humpback Correction Belt