posture backrest Available for rigid frame wheelchairs Progeo only, conceived to support the lumbar area and guarantees the maximum stability. Excellent posture in the wheelchair thanks to the regulation of inclination, height and depth, keeping the possibility of folding. Two height possibility, 25 and 33 cm, both for width 33-36-39-42-45 cm. The carbon shell has a rubber perimetral hem, aluminium backrest tubes and aluminium handle. The rear plate guarantees the rigidity of the wheelchair and intesify the rigidity of the shell. High thinkness of the fire-resistant foam pad, removable from the transpirant fire-retardant, Bio-compatible polyester cover (cytotoxic vitro test according to the UNI EN ISO 10993-5:2009 regulation), innovative velvet with UV Block treatment (suitable for indoor & outdoor use) and antistatic (it doesn?t draw the atmospheric dust on it in order to have a better cleaning). The perimetral stitched profile made of a reflective material, allow the backrear to be visible in the dark.