Durable (will maintain its shape even after repetitive use over a long period of time). Is made from high density EVA foam with textured dotted surface which is soft to touch for added comfort. Great for lower body as it helps to alleviate soft tissue tightness of legs, lower back, hip, hamstrings this roller stretches muscles and tendons hence provide sooth ness by increasing blood flow and circulation to the soft tissues. Perfect tool for yoga, pilates, fitness exercises, physiotherapy and rehabilitation. Specially designed raised grid pattern bumps are firm but flexible, much like the thumbs of a massage therapist. Along the foam roller help soften up adhesions or knots that form on your muscles replicating the effects of regular massage.