Product description CONVENIENT AND VERSATILE This medium firm foam roller, ideal for physical and targeting the back muscles, muscles deep tissue, legs is both durable and practical OUTER MEDIUM FIRM PE The foam roller is made of medium firm PE that is less intensive than EPP and EVA. It can trigger all your tight muscles pre- and post-workout. DOUBLE-LAYERED FOR DURABILITY This 2-layered medium firm density PE foam roller doesnt deform or break easily FULL-BODY WORKOUT Yes4All body roller is ideal for various exercises. These include yoga, pilates, bodybuilding, running, and weight training.