Workout with Ab Wheel Roller for Full Body Exercise strengthen & tone abs shoulders arms and back. Simple forward and backwards motion no complex learning to use this. Manufacturered by ZLSP. Easy-to-use product designed with portability ergonomics and easy storage in mind Popular piece of fitness equipment for both men and women Applicable scenes:outdoorfamilyofficeApplicable crowd:fitness enthusiastmale and female general. The ab wheel handle is made of foam material which has a moisture absorption effect so as to avoid problems such as slippery hands caused by sweating in the palm.