Features1Supporting design helps correct bad body posture of back and shoulder, pulls shoulder & back to correct posture. 2Binding design, fine workmanship, exquisite wear resistance, provides gentle back support. 3Flexible and soft waist support can reduce waist pressure, fully comfortable & easy to wear. 4Leather fixed, repeated pulling does not come off the line, longer service life. 5Soft fabric, wearable in all seasons, breathable and beautiful.SpecificationCondition:100% Brand New Item Type: Back Brace BeltColor: BlackOptional Size: S, M, L, XL, XXLFeature: Only 2 hours a week, three weeks to develop good sitting habits. Product SizeAbdominal Length Suitable Waistline Suitable Height Suitable Weight S 80cm / 31.5in 60-75cm / 23.6-29.5in 140-150cm / 55.1-59.1in 40-60kg M 90cm / 35.4in70-85cm / 27.6-33.5in150-170cm / 59.1-66.9in50-70kg L 100cm / 39.4in 80-95cm / 31.5-37.4in160-180cm / 63-70.9in 60-80kg XL 110cm / 43.3in90-105cm / 35.4-41.3in170-190cm / 66.9-74.8in 70-90kg XXL 120cm / 47.2in 100-115cm / 39.4-45.3180-200cm / 70.9-78.7in 80-100kgPackage List1 x Back Brace Belt