Body-Solid's latex free Foam Rollers are perfect for balance exercises, stability exercises, strength training, home exercise, home physical therapy, as well as use in a clinical setting. The Foam Roller's design enhances balance body awareness muscle re-education muscular flexibility and dynamic strength. Foam Rollers are an exceptional self massage aid for all major muscle groups. The BSTFR36F has a 6 in. round Diameter providing consistent pressure for massage and is great for improving posture and alignment.