This professional foam roller is made of highly durable EVA foam construction and a soft density for gentle massage and comforable exercise.   It is used to release tension, break up tight fascia, soothe sore muscles, improve flexiblity and range of motion, and increas moblity.  It is 36" in lengthn and 6" in diameter.  Great for your adductors, hamstrings, quadriceps and the back, as well as IT band, hip rotators, glutes, and calves.