KLB Sport 39" Professional Adjustable Aerobic Stepper Platform For Sports & Fitness W/2 Risers plastic Imported Snaps in Legs for Maximum Stability Adjustable to 3 Different Heights: 6", 8", or 10" Non-slip Workout Surface N.W./G.W.: 17.6/19.8lbs Money Back Guarantee If You Will Be Not 100% Satisfied with Your Purchase