By simply rolling AB Wheel forward and backward you tone and firm your entire upper body, AB wheel is greater to control the degree of your workout by rolling farther of closer to easily strengthen, stretch and firm. AB Wheel is ideal for burning excess calories. Please note, knee mate is also included with our model. Features: - Total body exerciser. - Compact and portable, use it anywhere, any time - Start looking greater, the easy way - Ideal for burning excess calories Includes: - AB roller - Knee mat