Size:1 Style:Compact Material type:Foam, Ethylene Vinyl Acetate, Acrylonitrile Butadiene Styrene, Rubber, Polyvinyl Chloride Number of items:1 Department:all Wonderful GiftA great birthday or Christmas gift, Abdominal Exercise Roller is suitable for relatives and friends who like fitness, expressing your care and love. Enhanced Movement ControlThe rollers are 4 inches wide, and Abdominal Wheel provides great stability, enhanced control of front and rear motion, and no lateral offset, making core training easier and more enjoyable. Widely ApplicableSuitable for use at home, gym, , Ab Workout Roller helps to stretch and tone abdominal, arm, chest, shoulder and back muscles to get six pack abs. Sturdy and DurableWheel employs high-quality material, sturdy and durable, with good impact ; rubber wide wheels are more durable, do not damage the floor, and are more silent; the handle is filled with EVA foam to increase comfort. Automatic Spring Back Technology DesignDesigned with self-rebound technology, for Abs Workout glides easily to reduce wheel wobble and help you control your movement.