42.5-INCH LENGTH X 16-INCH WIDTH ANTI-SLIP STEP SURFACE: Slip-resistant, shock-absorbing aerobic step platform with four additional removable 16” x 16” x 2” risers provide a steady, safe, space-efficient and comfortable step workout experience EASY HEIGHT ADJUSTMENT: Intensify workout difficulty by adjusting platform height from 4” to 6” to 8” using risers to challenge yourself and burn more calories HIGH-DENSITY POLYETHYLENE MATERIAL: Constructed of recyclable high-quality polyethylene capable of supporting up to 300 pounds. Ideal for indoor and outdoor use VERSATILE STEPPER PLATFORM: Ideal for cardio workout, fitness, low and high-impact. Can combine with other fitness tools to get extra burning fat workouts MULTIPLE BENEFITS: Offers you a multitude of health benefits such as helping you burn fat, lose weight, tone and retain your body as well as improving your cardio