Ripple Armless Mid-Back Vinyl Office ChairAs with the ripple after effects caused by the toss of a pebble, there's no telling where the Ripple armless office chair will take you. For those who appreciate natural resolve, without the need to know the destination point, then Ripple is for you. Outfitted with a polished chrome steel frame and five dual wheel casters for easy mobility over hardwood or carpeted surfaces, the padded vinyl Ripple armless office chair begins and ends with innovation.