31'' Fitness Aerobic Step Adjust 4" - 6" - 8" Exercise Stepper w/Risers Description It Is Highly Recommended When U Want To Keep Fit And Enjoy Your Professional Aerobic Step Exercise. The Stepper Is Ideal For Work Out Classes Or Regular Home Use. Either At Home Or In The Office, U Can Invite Your Friends Or Family To Take Exercise Together To Keep Healthy And Fit. Three Levels That Can Be Stackable Are Very Convenient To Meet Various Needs. Aerobic Step Will Give U A Unique And Professional Aerobic Exercising Experience. Feature Brand New And Good Quality. Durable Platform Convenient For Storage Lightweight And Easy To Carry And Assemble Optional For Regular Home Use And Work Out Classes Perfect For Indoor And Our Door Use Provides Excellent Traction On Any Floor Shock Absorbing, Non-Stick, Non-Slip Surface Up To 8 Height Adjustment To Change Levels Easily Specifications Color: Black & Gray, Red Signal Material: ABS Platform Size: 31 X 10.6 X 3.5 (L X W X H) Adjustable Height: 4-6-8 Each Riser Size: 11.8 X 3.9 X 2 (L X W X H) Weight Capacity: 550 Lbs Unit Weight: 8.8 Lbs Package Includes: 1 X Platform, 2 Pairs Of Risers US STOCK FAST SHIPPING