6 Semi rigid plastic splints provide adequate support to Lumbar and Sacral region. 23 cm PPCP flapper in anatomical shape for strengthening back support. 5 Pulley on each side of back flapper to ensure uniform compression across lumbar and sacral region. Durable and tough string used to ensure smooth lace pull action for better compression. Mechanical pulley action for customised compression with 5 pulleys on each side. 23 cm long Polypropyline PCP flap to provide better coverage of Lumbar and Sacro region. Thumb loop with soft and comfortable grip for ease of usage. 6 Semi-Rigid Splints on reverse side to support Lumbar Sacro region. Mesh fabric on Back side ensure better Air permeability and breathability. Breathable Velvet flapper on abdominal straps for cushioning effect.