Description:By using this product can relieve muscle pain and reduce muscle load, which is easy to adjust with elastic strap.It can play a good role in correcting and rectifying the back, which is comfortable and breathable to wear.Made of fastener tape and polyester material, this product is wear-resistant and long lasting, which which can be adjusted freely through the shoulder fastener tape strap.There are 6 sizes you can choose from: S, M, L, XL, 2XL, 3XL. S size is suitable for the person's weight in 30kg-40kg, M size is for person's weight in 40kg-50kg, L size is for person's weight in 50kg-60kg, XL size is for person's weight in 60kg-70kg, 2XL size is for person's weight in 70kg-80kg, and 3XL is for person's weight in 80kg-90kg.Ideal for improve posture and help relieve shoulder and back pain, this product is suitable for men, women and adolescents to keep your back straight.Item Name: Posture CorrectorMaterial: Polyester,Fastener TapeFeatures: Easy to Adjust, Pain Relief, BreathableSize Details: [Our Size S] Height: 140cm-160cm/55.1"-63", Waist: 85cm-93cm/33.5"-36.6" (Approx.)[Our Size M] Height: 155cm-165cm/61"-65", Waist: 90cm-96cm/35.4"-37.8" (Approx.)[Our Size L] Height: 160cm-170cm/63"-66.9", Waist: 95cm-103cm/37.4"-40.6" (Approx.)[Our Size XL] Height: 165cm-175cm/65"-68.9", Waist: 98cm-108cm/38.6"-42.5" (Approx.)[Our Size 2XL] Height: 170cm-180cm/66.9"-70.9", Waist: 103cm-112cm/40.6"-44.1" (Approx.)[Our Size 3XL] Height: 175cm-185cm/68.9"-72.8", Waist: 108cm-115cm/42.5"-45.3" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Posture Corrector