Big Mike's Fitness High Density Eva Foam Roller, 36" Full Round Versatile: useful for therapeutic exercise, physical therapy, training, conditioning and core training. Stretching Various uses: great for myofascial release, self massage, postural alignment, balance exercises Innovative design: made of premium eva foam with high density core that has amazing elastic properties that help it maintain Comfortable & long lasting: molded high density foam technology with a smooth/comfortable surface Myofascial release: improves blood and lymphatic circulation. Relaxes tense muscles and improves recovery