Feature 1This product can effectively correct kyphosis, incorrect posture and other problems. 2The back has hook and loop fastener, which can be adjusted according to your needs. 3Made with comfortable and soft materials, it will not cause any harm to the skin. 4Whether it is worn outside or inside, it can always keep the posture correctly. 5Stretchable soft fabric reduces the pressure on the underarms, making it more comfortable to use.SpecificationCondition:100% Brand NewItem Type:Posture CorrectorOptional Size: XS, S, M, LColor: White Size Suitable Weight Suitable Height XS 22.5-37.5kg/49.60-82.67lb 100-140cm/39.37-55.11in S 37.5-45kg/82.67-99.20lb 140-160cm/55.11-62.99in M 45-60kg/99.20-132.27lb 160-170cm/62.99-66.92in L 60-80kg/132.27-176.36lb 160-180cm/62.99-70.86 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Posture Corrector