Ab Roller Wheel for Abs Workout with Knee Ab Mat for Men Women Core Workout Home Gym Abdominal Exercise Strength Training Equipment.It works focus on the abdominal muscles and the muscles of the upper body / shoulder / back / arms and whole body.The handles of the abs roller are covered with thick foam can absorb sweat which can avoid slip during abs workout. Soft rubber wheel surface quiet operation so that you will enjoy exercise with a preferable experience.Our ab wheel roller are quick assembly and disassembly lightweight and small dimensions this ab workout trainer will unlimited scenes available at home office gym simple exercise efficient results.