Stealth Align Foam Roller - Deep Tissue Back Massage, Myofascial Release and Trigger Point Therapy MADE IN THE USA - Very Durable! The Stealth Align measures 24 length by tapering up to 8 inches in diameter providing a secure and cradle your body comfort feel. ALIGNMENT ZONE - An exclusive engineered center channel allowing the spine to be protected and adjusted while rolling and stretching IDEAL SIZE - Experience the benefits of a taller more elevated roller. Ordinary rollers are small in diameter creating little to no range of motion during stretching and rolling. DEEP TISSUE MASSAGE - A total of 58 diamond raised pressure points on both center wheels for deep tissue massage. LEGS - Great for legs and calves!