Sabar Magneto Backguard 3091XC Lumbar Back Support Seat is an ergonomically crafted add-on seat to give XTRA contoured support to thoracic, lumbar and sacral part of the spine along with strategically placed permanent magnets. It is an anatomically designed seat to take care of your ergonomic seating requirements and ideal spine alignment. Magneto Backguard 3091XC is an ideal back support for chair at home, office, car, train and even in the garden and it fits over most type of seating arrangements.