Sturdy & Stable Structure Built to last, this pedal exerciser features thickened, widened metal tubes for a robust frame supporting up to 265 lbs. Stability is further enhanced by 4 strong suction cups that secure the peddle exerciser to smooth floors, preventing slipping during use. Adjustable & Safe Design This fitness equipment features 4-level adjustable height (34.5"-39.5"), 6-level adjustable lenght(17"-21"), and 4-position adjustable pedal strap, allowing you to exercise your arms and legs in the comfort of your sofa or chair for a safe and low-impact workout. The adjustable upper and lower resistance also fit users of different levels.