High quality material: using environmental matte material, the material is easy to clean, not easy to deform, corrosion-resistant, odorless, and durable. intimate and comfortable: protect your feet and make you more relaxed during exercise without worrying about whether the heel will be worn or not. easy to use : you can stand on it or sit on the chair and put feet on it. choose the right position. no assembly required. great for men, women, and seniors. it’s a simple tool but effective as a stretching aid.