Giantex Adjustable Aerobic Stepper Trainer Fitness Club Cardio Exercise with Risers Colorturquoise body, black platform and purple risers Shape trapezoid Platform materialpvc, body & risers materialpe Platform size38.2'' x 11.8'' x 3''(l x w x h) Bottom size43'' x 15''(l x w), adjustable height3''-4.6''-6.2''