posture corrector premium(dyna) for anatomical fitting perfect immobilisation excllent comfort features: stabilise and supports the shoulders, chest, back to provide effective posture correction soft straps reduce fricition while providing effective stabilisation ergonomically designed for a comfort and discreet wear ensure snug and comfortablefit on the body . made of breathable skin friendly material. Intended use of the product : Pulls the shoulders back and straightens the spine to improve the posture. Indications: correction of stooped shoulder/hunch back. Avoid disc problems due to wrong posture. As reminder to keep the spine straight. Alleviation of back pain. Instructions for use: Attach the foam padded shoulder straps to the hook in the back of the belt insert both hands through the shoulder straps and then wear it like wearing a back pack securely attach the chest wrap to the front If needed tighten the shoulder straps for a comfortable fit.