This multipurpose, ex-back stacking chair offers contemporary styling and spine-friendly comfort—at an affordable price. Versatile InFlex comes in both plastic stacking side models and upholstered side, task and stool versions. The contemporary styling of this Piretti chair emulates the human spine. Its innovative ex-back disc system, with 13 degrees of back angle range, is as clever as it is comfortable. Giancarlo Piretti design Innovative disc system emulates the human spine Plastic model stack 5 on the floor, 12 on the optional cart Upholstered armless model stack 5 on the floor, 10 on the optional cart Fully upholstered, upholstered seat or plastic 1,000s of textiles or 14 plastic colors 4 frame finishes 300 lb. weight capacity Lifetime Warranty All options and 1,000s of textiles ship in 2, 5 or 10 days