Massage Foam Roller - 13 inches - Extra Firm, Sturdy Solid Core, Super Deep Massage for Your legs (Hamstrings, Calves, Quads, IT Band) Arms and Back PERFECT FOR SELF-MYOFASCIAL RELEASE AND PHYSICAL THERAPY: extra firm, finger-like knobs on the roller as well as palm-like flat services provide a deep acupressure grid to increase circulation, blood flow, range of motion and flexibility and release tough trigger points in your body. NOT a beginner roller. SOLID FOAM CORE: designed with high quality EVA foam for extensive use, this solid core roller is one of the sturdiest massage rollers on the market. It can sustain more than 550 lbs! No risk of PVC cracking on this roller. LIGHTWEIGHT AND PORTABLE: At just 13 inches in length ensures the roller will easily into any gym bag or travel case. Youll get your massage in any time, anywhere. (For a longer size please see SelfKare 24-inch roller listing.) YOUR PERSONAL MASSAGER: whether you lift weights, play football, basketball, soccer, tennis, or if you are a runner or practice any sport, this roller will help you recover faster by working out the kinks and knots in your muscles. BUY WITH CONFIDENCE: 10-YEAR WARRANTY - for normal wear and tear. This product is made with high density, high quality foam. It is designed to last for more than 10 years. We offer 100% money back within 45 days of your purchase.